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Oval|Lab Grown|IGI

1.51ct D SI2 Oval Lab Grown Diamond

ID • D/SI2 • IGI LG488132236

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG488132236

Diamond specifications and retailer prices

From €315 EUR
$352 USD
As of October 30, 2026
Save €732 EUR (70%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €1,047 EUR at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.51ct lab-grown oval diamond

This 1.51ct lab-grown oval sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG488132236 or 488132236. Listed at 16 retailers as of October 30, 2026, with prices from €315 to €1,047, a €732 spread on the same certified stone. Brilliant Earth lists it at €1,047. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.51
Carat
D
Color
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle41.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG488132236
Dimensions8.92 × 6.36 × 4.15 mm
L/W Ratio1.40
Girdle conditionFaceted
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
8.92 mm6.36 mm1.51 ctD / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG488132236
Side View
Table 59.5%Crown 35.3°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 65.3%

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: €1,047 EUR|Low: €213 EUR|High: €1,540 EUR|Avg: €615 EUR|-32.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 31, 2026
Retailer 10€213 EUR
Retailer 7€315 EUR
Retailer 9€388 EUR
Retailer 2€394 EUR
Retailer 3€423 EUR
Retailer 8€458 EUR
Retailer 5€740 EUR
Retailer 6€837 EUR
Retailer 4€924 EUR
Brilliant Earth€1,047 EUR

40 data points across 10 retailers

16 retailers€315 EUR to €1,047 EUR

Retailer 1
-
€165 EUR
$184 USD
Price last confirmed 30 days ago
Retailer 2
-
€178 EUR
$199 USD
View
Price last confirmed 38 days ago
Retailer 3
-
€207 EUR
$231 USD
View
Price last confirmed 37 days ago
Retailer 4
-
€213 EUR
$238 USD
View
Price last confirmed 29 days ago
Retailer 5
-
€218 EUR
$244 USD
View
Price last confirmed 37 days ago
B+
Retailer 6
-
€315 EUR
$352 USD
View
A
Retailer 7
-
€388 EUR
$434 USD
View
A
Retailer 8
-
€394 EUR
View
B+
Retailer 9
-
€423 EUR
£372 GBP
View
B+
Retailer 10
-
€458 EUR
$512 USD
View
B+
Retailer 11
-
€605 EUR
$676 USD
View
Retailer 12
-
€684 EUR
$764 USD
View
Price last confirmed 32 days ago
Retailer 13
-
€740 EUR
$827 USD
View
Price last confirmed 12 days ago
Retailer 14
-
€837 EUR
$935 USD
View
Price last confirmed 10 days ago
B
Retailer 15
-
€924 EUR
£813 GBP
View
Most Expensive
B
Brilliant Earth
8639601A · Oct 30
€1,047 EUR
$1,170 USD
View
15 more retailers have this diamond
Prices start from €315 EURSave up to €732 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 Oval
€315 EUR