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Radiant|Lab Grown|IGI

1.00ct D IF Radiant Lab Grown Diamond

EX • D/IF • IGI LG705509673

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

Certificate IGI LG705509673

Diamond specifications and retailer prices

From €158 EUR
$177 USD
As of October 30, 2026
Save €1,604 EUR (91%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: €1,762 EUR at Queensmith · As of October 27, 2026
View at Queensmith

About this 1ct lab-grown radiant diamond

This 1ct lab-grown radiant sits in the classic one-carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG705509673 or 705509673. Listed at 25 retailers as of October 27, 2026, with prices from €158 to €1,762, a €1,604 spread on the same certified stone. Queensmith lists it at €1,762. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
D
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.2°
Pavilion angle33.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG705509673
Dimensions7.47 × 5.02 × 3.21 mm
L/W Ratio1.49
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
7.47 mm5.02 mm1.00 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG705509673
Side View
Table 59.0%Crown 37.2°Girdle: MediumPavilion 33.3°Culet: NoneDepth 63.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: €1,013 EUR|Low: €153 EUR|High: €1,522 EUR|Avg: €589 EUR|-1.8%
Retailer 1
Retailer 2
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Retailer 21
November 1, 2026
Retailer 21€158 EUR
Retailer 11€176 EUR
Retailer 20€183 EUR
Retailer 6€196 EUR
Retailer 10€196 EUR
Retailer 12€223 EUR
Retailer 8€281 EUR
Retailer 17€372 EUR
Retailer 15€395 EUR
Retailer 3€411 EUR
Retailer 18€528 EUR
Retailer 4€666 EUR
Retailer 2€696 EUR
Retailer 13€742 EUR
Retailer 9€846 EUR
Retailer 14€851 EUR
Retailer 7€1,003 EUR
Retailer 1€1,013 EUR
Retailer 19€1,123 EUR
Retailer 16€1,128 EUR
Retailer 5€1,522 EUR

37 data points across 21 retailers

25 retailers€158 EUR to €1,762 EUR

A
Cheapest Retailer
-
€158 EUR
$177 USD
A
Retailer 2
-
€176 EUR
$197 USD
View
Final sale: no returns
A
Retailer 3
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€183 EUR
$205 USD
View
Retailer 4
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€196 EUR
$219 USD
View
Price last confirmed 7 days ago
A
Retailer 5
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€196 EUR
$219 USD
View
A
Retailer 6
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€223 EUR
£196 GBP
View
A
Retailer 7
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€281 EUR
$314 USD
View
A
Retailer 8
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€309 EUR
HK$2,700 HKD
View
A
Retailer 9
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€372 EUR
ZAR 6,711 ZAR
View
A
Retailer 10
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€372 EUR
$416 USD
View
A
Retailer 11
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€395 EUR
£348 GBP
View
A
Retailer 12
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€411 EUR
$459 USD
View
A
Retailer 13
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€528 EUR
A$908 AUD
View
B+
Retailer 14
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€666 EUR
$744 USD
View
B+
Retailer 15
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€696 EUR
$778 USD
View
B+
Retailer 16
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€742 EUR
SGD 1,120 SGD
View
B+
Retailer 17
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€846 EUR
£744 GBP
View
B+
Retailer 18
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€851 EUR
$951 USD
View
B
Retailer 19
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€1,003 EUR
$1,121 USD
View
B+
Retailer 20
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€1,013 EUR
£891 GBP
View
Retailer 21
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€1,105 EUR
$1,235 USD
View
Price last confirmed 10 days ago
Retailer 22
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€1,123 EUR
$1,255 USD
View
Price last confirmed 11 days ago
B
Retailer 23
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€1,128 EUR
$1,260 USD
View
B
Retailer 24
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€1,522 EUR
$1,700 USD
View
Most Expensive
B
Queensmith
LG705509673 · Oct 27
€1,762 EUR
£1,550 GBP
View
24 more retailers have this diamond
Prices start from €158 EURSave up to €1,604 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
1.00ct Radiant
€158 EUR