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Radiant|Lab Grown|IGI

0.51ct D VS1 Radiant Lab Grown Diamond

EX • D/VS1 • IGI LG819640701

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG819640701

Diamond specifications and retailer prices

From $155 AUD
$109 USD
As of October 30, 2026
Save $1,461 AUD (90%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,616 AUD at MOH London · As of October 29, 2026
View at MOH London

About this 0.51ct lab-grown radiant diamond

This 0.51ct lab-grown radiant sits in the half to three-quarter carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG819640701 or 819640701. Listed at 18 retailers as of October 29, 2026, with prices from $155 to $1,616, a $1,461 spread on the same certified stone. MOH London lists it at $1,616. 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
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle19.9°
Pavilion angle36.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG819640701
Dimensions6.09 × 3.90 × 2.57 mm
L/W Ratio1.56
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.09 mm3.90 mm0.51 ctD / VS1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG819640701
Side View
Table 64.0%Crown 19.9°Girdle: Slightly ThickPavilion 36.7°Culet: NoneDepth 65.9%

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: $1,616 AUD|Low: $149 AUD|High: $1,627 AUD|Avg: $469 AUD|-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
October 30, 2026
Retailer 9$155 AUD
Retailer 3$174 AUD
Retailer 11$181 AUD
Retailer 10$205 AUD
Retailer 7$306 AUD
Retailer 5$350 AUD
Retailer 4$353 AUD
Retailer 2$385 AUD
Retailer 8$451 AUD
Retailer 6$465 AUD
Retailer 12$1,020 AUD
MOH London$1,616 AUD

44 data points across 12 retailers

18 retailers$155 AUD to $1,616 AUD

A
Cheapest Retailer
-
$155 AUD
$109 USD
A
Retailer 2
-
$174 AUD
$122 USD
View
Final sale: no returns
A
Retailer 3
-
$181 AUD
$127 USD
View
A
Retailer 4
-
$205 AUD
$144 USD
View
A
Retailer 5
-
$219 AUD
HK$1,200 HKD
View
A
Retailer 6
-
$270 AUD
$190 USD
View
Retailer 7
-
$306 AUD
$215 USD
View
Price last confirmed 9 days ago
A
Retailer 8
-
$350 AUD
€234 EUR
View
A
Retailer 9
-
$353 AUD
$248 USD
View
B+
Retailer 10
-
$385 AUD
£213 GBP
View
B+
Retailer 11
-
$451 AUD
$317 USD
View
B+
Retailer 12
-
$465 AUD
£257 GBP
View
B+
Retailer 13
-
$545 AUD
SGD 517 SGD
View
B
Retailer 14
-
$592 AUD
$416 USD
View
B
Retailer 15
-
$702 AUD
$493 USD
View
B
Retailer 16
-
$1,020 AUD
£564 GBP
View
B
Retailer 17
-
$1,286 AUD
$904 USD
View
Most Expensive
B
MOH London
LG819640701 · Oct 29
$1,616 AUD
£894 GBP
View
17 more retailers have this diamond
Prices start from $155 AUDSave up to $1,461 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 Radiant
$155 AUD