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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 $158 AUD
$111 USD
As of October 29, 2026
Save $1,487 AUD (90%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $1,645 AUD 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 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 October 29, 2026, with prices from $158 to $1,645, a $1,487 spread on the same certified stone. MOH London lists it at $1,645. 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

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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: $1,645 AUD|Low: $152 AUD|High: $1,665 AUD|Avg: $458 AUD|-1.1%
MOH London
Retailer 2
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Retailer 21
October 31, 2026
Retailer 4$158 AUD
Retailer 15$175 AUD
Retailer 20$184 AUD
Retailer 8$209 AUD
Retailer 9$209 AUD
Retailer 10$278 AUD
Retailer 19$278 AUD
Retailer 11$335 AUD
Retailer 21$354 AUD
Retailer 2$362 AUD
Retailer 3$362 AUD
Retailer 13$394 AUD
Retailer 14$491 AUD
Retailer 7$502 AUD
Retailer 12$527 AUD
Retailer 5$629 AUD
Retailer 18$631 AUD
Retailer 16$703 AUD
Retailer 6$712 AUD
Retailer 17$1,295 AUD
MOH London$1,645 AUD

34 data points across 21 retailers

21 retailers$158 AUD to $1,645 AUD

A
Cheapest Retailer
-
$158 AUD
$111 USD
A
Retailer 2
-
$175 AUD
$123 USD
View
Final sale: no returns
A
Retailer 3
-
$184 AUD
$129 USD
View
A
Retailer 4
-
$209 AUD
$147 USD
View
A
Retailer 5
-
$209 AUD
$147 USD
View
A
Retailer 6
-
$278 AUD
$195 USD
View
A
Retailer 7
-
$278 AUD
$195 USD
View
A
Retailer 8
-
$335 AUD
$235 USD
View
A
Retailer 9
-
$354 AUD
ZAR 4,019 ZAR
View
A
Retailer 10
-
$362 AUD
€242 EUR
View
A
Retailer 11
-
$362 AUD
$255 USD
View
B+
Retailer 12
-
$394 AUD
£218 GBP
View
Retailer 13
-
$491 AUD
£272 GBP
View
Price last confirmed 24 days ago
B+
Retailer 14
-
$502 AUD
View
B+
Retailer 15
-
$527 AUD
$370 USD
View
B
Retailer 16
-
$629 AUD
$442 USD
View
B+
Retailer 17
-
$631 AUD
$443 USD
View
B
Retailer 18
-
$703 AUD
$494 USD
View
B
Retailer 19
-
$712 AUD
$500 USD
View
B
Retailer 20
-
$1,295 AUD
$910 USD
View
Most Expensive
B
MOH London
LG788658866 · Oct 29
$1,645 AUD
£910 GBP
View
20 more retailers have this diamond
Prices start from $158 AUDSave up to $1,487 AUD

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
$158 AUD