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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
$86 USD
As of October 29, 2026
Save €630 EUR (89%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €707 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 16 retailers as of October 29, 2026, with prices from €77 to €707, a €630 spread on the same certified stone. MOH London lists it at €707. 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
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: Oct 29
Current: €707 EUR|Low: €74 EUR|High: €712 EUR|Avg: €223 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
October 31, 2026
Retailer 9€77 EUR
Retailer 13€87 EUR
Retailer 5€102 EUR
Retailer 12€102 EUR
Retailer 7€152 EUR
Retailer 2€174 EUR
Retailer 10€184 EUR
Retailer 8€203 EUR
Retailer 3€204 EUR
Retailer 6€231 EUR
Retailer 11€251 EUR
Retailer 4€371 EUR
MOH London€707 EUR

43 data points across 13 retailers

16 retailers€77 EUR to €707 EUR

A
Cheapest Retailer
-
€77 EUR
$86 USD
A
Retailer 2
-
€87 EUR
$97 USD
View
Final sale: no returns
A
Retailer 3
-
€90 EUR
$100 USD
View
A
Retailer 4
-
€102 EUR
$114 USD
View
A
Retailer 5
-
€102 EUR
$114 USD
View
A
Retailer 6
-
€152 EUR
$170 USD
View
A
Retailer 7
-
€174 EUR
£153 GBP
View
A
Retailer 8
-
€184 EUR
View
A
Retailer 9
-
€203 EUR
$227 USD
View
A
Retailer 10
-
€204 EUR
$228 USD
View
A
Retailer 11
-
€231 EUR
£203 GBP
View
B+
Retailer 12
-
€251 EUR
$280 USD
View
B+
Retailer 13
-
€308 EUR
$344 USD
View
B
Retailer 14
-
€361 EUR
$404 USD
View
B
Retailer 15
-
€371 EUR
$415 USD
View
Most Expensive
B
MOH London
LG764605608 · Oct 29
€707 EUR
£622 GBP
View
15 more retailers have this diamond
Prices start from €77 EURSave up to €630 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