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Radiant|Lab Grown|IGI

1.51ct D VS1 Radiant Lab Grown Diamond

ID • D/VS1 • IGI LG687560325

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

Certificate IGI LG687560325

Diamond specifications and retailer prices

From €189 EUR
$211 USD
As of October 30, 2026
Save €1,199 EUR (86%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: €1,387 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG687560325 or 687560325. Listed at 25 retailers as of October 30, 2026, with prices from €189 to €1,387, a €1,199 spread on the same certified stone. Brilliant Earth lists it at €1,387. 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
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.7°
Pavilion angle35.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG687560325
Dimensions6.79 × 6.15 × 4.18 mm
L/W Ratio1.10
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
6.79 mm6.15 mm1.51 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG687560325
Side View
Table 71.0%Crown 44.7°Girdle: MediumPavilion 35.6°Culet: NoneDepth 68.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: €1,387 EUR|Low: €181 EUR|High: €1,575 EUR|Avg: €553 EUR|-11.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 1, 2026
Retailer 3€189 EUR
Retailer 14€210 EUR
Retailer 8€218 EUR
Retailer 5€234 EUR
Retailer 9€234 EUR
Retailer 15€331 EUR
Retailer 13€379 EUR
Retailer 2€403 EUR
Retailer 12€432 EUR
Retailer 10€462 EUR
Retailer 17€546 EUR
Retailer 7€751 EUR
Retailer 18€754 EUR
Retailer 6€793 EUR
Retailer 16€845 EUR
Retailer 11€937 EUR
Retailer 4€967 EUR
Brilliant Earth€1,387 EUR

45 data points across 18 retailers

25 retailers€189 EUR to €1,387 EUR

A
Cheapest Retailer
-
€189 EUR
$211 USD
A
Retailer 2
-
€210 EUR
$235 USD
View
Final sale: no returns
A
Retailer 3
-
€218 EUR
$244 USD
View
Retailer 4
-
€234 EUR
$261 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
€234 EUR
$261 USD
View
A
Retailer 6
-
€264 EUR
HK$2,300 HKD
View
B+
Retailer 7
-
€331 EUR
$370 USD
View
A
Retailer 8
-
€379 EUR
View
A
Retailer 9
-
€403 EUR
ZAR 7,279 ZAR
View
A
Retailer 10
-
€432 EUR
£380 GBP
View
A
Retailer 11
-
€461 EUR
$515 USD
View
A
Retailer 12
-
€462 EUR
$516 USD
View
A
Retailer 13
-
€546 EUR
A$938 AUD
View
B+
Retailer 14
-
€751 EUR
$839 USD
View
B+
Retailer 15
-
€754 EUR
$842 USD
View
B+
Retailer 16
-
€760 EUR
SGD 1,147 SGD
View
B+
Retailer 17
-
€793 EUR
$886 USD
View
B+
Retailer 18
-
€799 EUR
$892 USD
View
B+
Retailer 19
-
€845 EUR
A$1,452 AUD
View
B
Retailer 20
-
€914 EUR
£804 GBP
View
B
Retailer 21
-
€937 EUR
£824 GBP
View
B
Retailer 22
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€951 EUR
$1,063 USD
View
Retailer 23
-
€967 EUR
$1,080 USD
View
Price last confirmed 18 days ago
B
Retailer 24
-
€1,098 EUR
$1,227 USD
View
Most Expensive
B
Brilliant Earth
17804972A · Oct 31
€1,387 EUR
$1,550 USD
View
24 more retailers have this diamond
Prices start from €189 EURSave up to €1,199 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
€189 EUR