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Oval|Lab Grown|IGI

0.51ct D VVS1 Oval Lab Grown Diamond

EX • D/VVS1 • IGI LG788658866

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG788658866

Diamond specifications and retailer prices

From $197 NZD
$111 USD
As of November 1, 2026
Save $1,420 NZD (88%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $2,043 NZD at MOH London · As of November 2, 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 VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG788658866 or 788658866. Listed at 21 retailers as of November 1, 2026, with a 720% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.51
Carat
D
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG788658866
Dimensions6.65 × 4.45 × 2.78 mm
L/W Ratio1.49
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
6.65 mm4.45 mm0.51 ctD / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG788658866
Side View
Table 59.0%Crown 34.6°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 62.5%

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: Nov 1
Current: $2,043 NZD|Low: $190 NZD|High: $2,079 NZD|Avg: $578 NZD|-1.6%
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
November 2, 2026
Retailer 5$197 NZD
Retailer 3$229 NZD
Retailer 8$261 NZD
Retailer 9$261 NZD
Retailer 10$347 NZD
Retailer 21$347 NZD
Retailer 13$375 NZD
Retailer 11$418 NZD
Retailer 16$445 NZD
Retailer 17$452 NZD
Retailer 4$453 NZD
Retailer 2$492 NZD
Retailer 14$613 NZD
Retailer 15$624 NZD
Retailer 12$658 NZD
Retailer 6$786 NZD
Retailer 20$787 NZD
Retailer 18$878 NZD
Retailer 7$889 NZD
Retailer 19$1,617 NZD
MOH London$2,043 NZD

34 data points across 21 retailers

21 retailers$197 NZD to $1,617 NZD

A
Cheapest Retailer
-
$197 NZD
$111 USD
A
Retailer 2
-
$229 NZD
$129 USD
View
A
Retailer 3
-
$261 NZD
$147 USD
View
Retailer 4
-
$261 NZD
$147 USD
View
Price last confirmed 9 days ago
A
Retailer 5
-
$347 NZD
$195 USD
View
A
Retailer 6
-
$347 NZD
$195 USD
View
A
Retailer 7
-
$375 NZD
$211 USD
View
Final sale: no returns
Retailer 8
-
$418 NZD
$235 USD
View
Price last confirmed 8 days ago
A
Retailer 9
-
$445 NZD
ZAR 4,041 ZAR
View
A
Retailer 10
-
$452 NZD
€242 EUR
View
Retailer 11
-
$453 NZD
$255 USD
View
Price last confirmed 7 days ago
B+
Retailer 12
-
$492 NZD
£218 GBP
View
Retailer 13
-
$613 NZD
£272 GBP
View
Price last confirmed 27 days ago
B+
Retailer 14
-
$624 NZD
A$540 AUD
View
B+
Retailer 15
-
$658 NZD
$370 USD
View
B
Retailer 16
-
$786 NZD
$442 USD
View
B+
Retailer 17
-
$787 NZD
$443 USD
View
B
Retailer 18
-
$878 NZD
$494 USD
View
B
Retailer 19
-
$889 NZD
$500 USD
View
B
Retailer 20
-
$1,617 NZD
$910 USD
View
Most Expensive
MOH London
LG788658866 · Nov 2
$2,043 NZD
£905 GBP
View
Price under review
20 more retailers have this diamond
Prices start from $197 NZDSave up to $1,420 NZD

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
$197 NZD