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Radiant|Lab Grown|IGI

1.51ct D IF Radiant Lab Grown Diamond

EX • D/IF • IGI LG739503304

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG739503304

Diamond specifications and retailer prices

From €247 EUR
$276 USD
As of October 30, 2026
Save €2,299 EUR (90%) vs most expensive(unlock to see where)
28 retailers carry this diamond
Most expensive: €2,546 EUR at Queensmith · As of October 27, 2026
View at Queensmith

About this 1.51ct lab-grown radiant diamond

This 1.51ct lab-grown radiant sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG739503304 or 739503304. Listed at 28 retailers as of October 27, 2026, with prices from €247 to €2,546, a €2,299 spread on the same certified stone. Queensmith lists it at €2,546. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
D
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle35.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG739503304
Dimensions8.40 × 5.84 × 3.77 mm
L/W Ratio1.44
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
8.40 mm5.84 mm1.51 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG739503304
Side View
Table 63.0%Crown 36.3°Girdle: MediumPavilion 35.3°Culet: NoneDepth 64.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: €1,354 EUR|Low: €247 EUR|High: €2,918 EUR|Avg: €979 EUR|-9.6%
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Retailer 25
November 1, 2026
Retailer 5€247 EUR
Retailer 14€276 EUR
Retailer 25€286 EUR
Retailer 8€306 EUR
Retailer 15€306 EUR
Retailer 12€357 EUR
Retailer 17€435 EUR
Retailer 20€447 EUR
Retailer 24€448 EUR
Retailer 7€540 EUR
Retailer 23€581 EUR
Retailer 19€600 EUR
Retailer 3€703 EUR
Retailer 22€788 EUR
Retailer 9€941 EUR
Retailer 6€1,086 EUR
Retailer 13€1,177 EUR
Retailer 18€1,233 EUR
Retailer 16€1,264 EUR
Retailer 11€1,282 EUR
Retailer 4€1,310 EUR
Retailer 1€1,354 EUR
Retailer 10€2,193 EUR
Retailer 2€2,197 EUR
Retailer 21€2,533 EUR

33 data points across 25 retailers

28 retailers€247 EUR to €2,546 EUR

A
Cheapest Retailer
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€247 EUR
$276 USD
A
Retailer 2
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€276 EUR
$308 USD
View
Final sale: no returns
A
Retailer 3
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€286 EUR
$320 USD
View
Retailer 4
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€306 EUR
$342 USD
View
Price last confirmed 7 days ago
A
Retailer 5
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€306 EUR
$342 USD
View
A
Retailer 6
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€357 EUR
£314 GBP
View
A
Retailer 7
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€435 EUR
HK$3,800 HKD
View
A
Retailer 8
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€447 EUR
$499 USD
View
A
Retailer 9
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€448 EUR
$500 USD
View
A
Retailer 10
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€540 EUR
$603 USD
View
A
Retailer 11
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€581 EUR
ZAR 10,478 ZAR
View
A
Retailer 12
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€600 EUR
£528 GBP
View
A
Retailer 13
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€703 EUR
$785 USD
View
A
Retailer 14
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€788 EUR
A$1,354 AUD
View
B+
Retailer 15
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€941 EUR
$1,051 USD
View
B+
Retailer 16
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€1,086 EUR
$1,213 USD
View
B+
Retailer 17
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€1,146 EUR
$1,280 USD
View
B+
Retailer 18
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€1,177 EUR
$1,315 USD
View
B+
Retailer 19
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€1,233 EUR
$1,377 USD
View
B+
Retailer 20
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€1,264 EUR
SGD 1,909 SGD
View
B+
Retailer 21
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€1,282 EUR
$1,432 USD
View
B+
Retailer 22
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€1,310 EUR
£1,152 GBP
View
B+
Retailer 23
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€1,354 EUR
£1,191 GBP
View
B
Retailer 24
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€2,193 EUR
$2,450 USD
View
B
Retailer 25
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€2,197 EUR
$2,455 USD
View
Retailer 26
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€2,216 EUR
$2,476 USD
View
Price last confirmed 104 days ago
B
Retailer 27
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€2,533 EUR
$2,830 USD
View
Most Expensive
B
Queensmith
LG739503304 · Oct 27
€2,546 EUR
£2,240 GBP
View
27 more retailers have this diamond
Prices start from €247 EURSave up to €2,299 EUR

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.51ct Radiant
€247 EUR