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Oval|Lab Grown|IGI

0.51ct D SI1 Oval Lab Grown Diamond

ID • D/SI1 • IGI LG833698580

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG833698580

Diamond specifications and retailer prices

From €115 EUR
HK$1,000 HKD
As of October 30, 2026
Save €580 EUR (84%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: €695 EUR at MOH London · As of October 25, 2026
View at MOH London

About this 0.51ct lab-grown oval diamond

This 0.51ct lab-grown oval sits in the half to three-quarter carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG833698580 or 833698580. Listed at 9 retailers as of October 25, 2026, with prices from €115 to €695, a €580 spread on the same certified stone. MOH London lists it at €695. 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

0.51
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle40°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG833698580
Dimensions6.36 × 4.45 × 2.79 mm
L/W Ratio1.43
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.36 mm4.45 mm0.51 ctD / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG833698580
Side View
Table 61.0%Crown 40°Girdle: MED-STKPavilion 39.2°Culet: NoneDepth 62.7%

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: €695 EUR|Low: €84 EUR|High: €701 EUR|Avg: €234 EUR|+0.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 25, 2026
Retailer 10€85 EUR
Retailer 3€115 EUR
Retailer 6€157 EUR
Retailer 2€161 EUR
Retailer 7€180 EUR
Retailer 5€201 EUR
Retailer 8€202 EUR
Retailer 9€241 EUR
Retailer 4€251 EUR
Retailer 11€273 EUR
MOH London€695 EUR

31 data points across 11 retailers

9 retailers€115 EUR to €695 EUR

A
Cheapest Retailer
-
€115 EUR
HK$1,000 HKD
Retailer 2
-
€157 EUR
$175 USD
View
Price last confirmed 13 days ago
A
Retailer 3
-
€161 EUR
£142 GBP
View
B+
Retailer 4
-
€201 EUR
$224 USD
View
Retailer 5
-
€202 EUR
$226 USD
View
Price last confirmed 14 days ago
Retailer 6
-
€241 EUR
£212 GBP
View
Price last confirmed 9 days ago
B+
Retailer 7
-
€251 EUR
$280 USD
View
Retailer 8
-
€273 EUR
SGD 412 SGD
View
Price last confirmed 8 days ago
Most Expensive
B
MOH London
LG833698580 · Oct 25
€695 EUR
£611 GBP
View
8 more retailers have this diamond
Prices start from €115 EURSave up to €580 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
0.51ct Oval
€115 EUR