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Oval|Lab Grown|IGI

0.51ct H VS1 Oval Lab Grown Diamond

ID • H/VS1 • IGI LG826679903

Shape and cutting style on the report: Oval modified brilliant

Certificate IGI LG826679903

Diamond specifications and retailer prices

From €128 EUR
$143 USD
As of October 30, 2026
Save €1,066 EUR (89%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €1,194 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 H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG826679903 or 826679903. Listed at 18 retailers as of October 29, 2026, with prices from €128 to €1,194, a €1,066 spread on the same certified stone. MOH London lists it at €1,194. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.51
Carat
H
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle34.1°
Pavilion angle30.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG826679903
Dimensions6.07 × 4.37 × 2.55 mm
L/W Ratio1.39
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 Faint Blue
Top View
6.07 mm4.37 mm0.51 ctH / VS1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG826679903
Side View
Table 64.0%Crown 34.1°Girdle: THK-VTKPavilion 30.8°Culet: NoneDepth 58.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: €1,194 EUR|Low: €128 EUR|High: €1,194 EUR|Avg: €503 EUR|+21.7%
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
Retailer 14
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Retailer 18
October 31, 2026
Retailer 16€128 EUR
Retailer 15€160 EUR
Retailer 6€198 EUR
Retailer 3€206 EUR
Retailer 9€229 EUR
Retailer 7€244 EUR
Retailer 8€244 EUR
Retailer 2€248 EUR
Retailer 4€261 EUR
Retailer 12€272 EUR
Retailer 18€331 EUR
Retailer 5€436 EUR
Retailer 17€438 EUR
Retailer 11€483 EUR
Retailer 14€508 EUR
Retailer 10€787 EUR
Retailer 13€863 EUR
MOH London€1,194 EUR

33 data points across 18 retailers

18 retailers€128 EUR to €1,194 EUR

A
Cheapest Retailer
-
€128 EUR
$143 USD
Final sale: no returns
A
Retailer 2
-
€160 EUR
HK$1,400 HKD
View
Retailer 3
-
€198 EUR
$221 USD
View
Price last confirmed 9 days ago
A
Retailer 4
-
€206 EUR
$230 USD
View
Retailer 5
-
€229 EUR
$256 USD
View
Price last confirmed 7 days ago
A
Retailer 6
-
€244 EUR
$273 USD
View
A
Retailer 7
-
€244 EUR
$273 USD
View
A
Retailer 8
-
€248 EUR
View
A
Retailer 9
-
€261 EUR
$292 USD
View
A
Retailer 10
-
€272 EUR
$304 USD
View
A
Retailer 11
-
€331 EUR
$370 USD
View
Retailer 12
-
€436 EUR
ZAR 7,863 ZAR
View
Price last confirmed 8 days ago
B+
Retailer 13
-
€438 EUR
$489 USD
View
B+
Retailer 14
-
€483 EUR
$540 USD
View
B+
Retailer 15
-
€508 EUR
$567 USD
View
B
Retailer 16
-
€787 EUR
$879 USD
View
B
Retailer 17
-
€863 EUR
$964 USD
View
Most Expensive
B
MOH London
LG826679903 · Oct 29
€1,194 EUR
£1,050 GBP
View
17 more retailers have this diamond
Prices start from €128 EURSave up to €1,066 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
€128 EUR