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Oval|Lab Grown|IGI

0.51ct D SI1 Oval Lab Grown Diamond

EX • D/SI1 • IGI LG764605608

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG764605608

Diamond specifications and retailer prices

From €77 EUR
As of November 1, 2026
Save €295 EUR (79%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €708 EUR at MOH London · As of October 29, 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 LG764605608 or 764605608. Listed at 15 retailers as of November 1, 2026, with a 383% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle32.5°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG764605608
Dimensions6.19 × 4.56 × 2.85 mm
L/W Ratio1.36
Girdle conditionFaceted
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
6.19 mm4.56 mm0.51 ctD / SI1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG764605608
Side View
Table 58.0%Crown 32.5°Girdle: STK-THKPavilion 40.8°Culet: NoneDepth 62.5%

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: Nov 1
Current: €708 EUR|Low: €74 EUR|High: €712 EUR|Avg: €224 EUR|-0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 2, 2026
Retailer 9€77 EUR
Retailer 13€87 EUR
Retailer 5€102 EUR
Retailer 12€102 EUR
Retailer 7€152 EUR
Retailer 6€173 EUR
Retailer 10€184 EUR
Retailer 3€204 EUR
Retailer 2€205 EUR
Retailer 8€231 EUR
Retailer 11€251 EUR
Retailer 4€372 EUR
MOH London€708 EUR

41 data points across 13 retailers

15 retailers€77 EUR to €372 EUR

A
Cheapest Retailer
-
€77 EUR
A
Retailer 2
-
€90 EUR
View
A
Retailer 3
-
€102 EUR
View
Retailer 4
-
€102 EUR
View
Price last confirmed 12 days ago
A
Retailer 5
-
€152 EUR
View
A
Retailer 6
-
€173 EUR
View
A
Retailer 7
-
€184 EUR
View
A
Retailer 8
-
€204 EUR
View
B+
Retailer 9
-
€205 EUR
View
A
Retailer 10
-
€231 EUR
View
B+
Retailer 11
-
€251 EUR
View
B+
Retailer 12
-
€308 EUR
View
B
Retailer 13
-
€361 EUR
View
B
Retailer 14
-
€372 EUR
View
Most Expensive
MOH London
LG764605608 · Oct 29
€708 EUR
£622 GBP
View
Price last confirmed 8 days ago
14 more retailers have this diamond
Prices start from €77 EURSave up to €295 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
€77 EUR