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Heart|Lab Grown|IGI

0.51ct D VS1 Heart Lab Grown Diamond

ID • D/VS1 • IGI LG831609127

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG831609127

Diamond specifications and retailer prices

From $245 NZD
$138 USD
As of October 25, 2026
Save $1,673 NZD (87%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,918 NZD at MOH London · As of October 26, 2026
View at MOH London

About this 0.51ct lab-grown heart diamond

This 0.51ct lab-grown heart 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 LG831609127 or 831609127. Listed at 19 retailers as of October 25, 2026, with prices from $245 to $1,918, a $1,673 spread on the same certified stone. MOH London lists it at $1,918. 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
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle33.1°
Pavilion angle37.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831609127
Dimensions5.51 × 5.49 × 2.90 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.51 mm5.49 mm0.51 ctD / VS1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG831609127
Side View
Table 63.0%Crown 33.1°Girdle: MED-THKPavilion 37.2°Culet: NoneDepth 52.6%

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 25
Current: $1,918 NZD|Low: $181 NZD|High: $1,996 NZD|Avg: $639 NZD|-2.7%
MOH London
Retailer 2
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Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 15
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Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
October 31, 2026
Retailer 7$185 NZD
Retailer 5$206 NZD
Retailer 4$215 NZD
Retailer 18$245 NZD
Retailer 14$273 NZD
Retailer 11$355 NZD
Retailer 2$415 NZD
Retailer 9$421 NZD
Retailer 16$449 NZD
Retailer 20$460 NZD
Retailer 13$523 NZD
Retailer 17$626 NZD
Retailer 3$639 NZD
Retailer 6$645 NZD
Retailer 15$655 NZD
Retailer 10$727 NZD
Retailer 19$738 NZD
Retailer 8$841 NZD
Retailer 12$1,244 NZD
Retailer 21$1,576 NZD
MOH London$1,918 NZD

34 data points across 21 retailers

19 retailers$245 NZD to $1,918 NZD

Retailer 1
-
$185 NZD
$104 USD
Price last confirmed 9 days ago
Retailer 2
-
$215 NZD
$121 USD
View
Price last confirmed 8 days ago
A
Retailer 3
-
$245 NZD
$138 USD
View
A
Retailer 4
-
$273 NZD
HK$1,200 HKD
View
A
Retailer 5
-
$415 NZD
€223 EUR
View
Retailer 6
-
$421 NZD
ZAR 3,829 ZAR
View
Price last confirmed 19 days ago
B+
Retailer 7
-
$449 NZD
£199 GBP
View
Retailer 8
-
$460 NZD
$259 USD
View
Price last confirmed 7 days ago
B+
Retailer 9
-
$523 NZD
$295 USD
View
B+
Retailer 10
-
$626 NZD
£278 GBP
View
B+
Retailer 11
-
$639 NZD
$360 USD
View
B+
Retailer 12
-
$645 NZD
SGD 491 SGD
View
B+
Retailer 13
-
$655 NZD
$369 USD
View
B
Retailer 14
-
$727 NZD
$410 USD
View
Retailer 15
-
$738 NZD
$416 USD
View
Price last confirmed 7 days ago
B
Retailer 16
-
$841 NZD
$474 USD
View
Retailer 17
-
$1,244 NZD
£552 GBP
View
Price last confirmed 19 days ago
B
Retailer 18
-
$1,576 NZD
$888 USD
View
Most Expensive
B
MOH London
LG831609127 · Oct 26
$1,918 NZD
£851 GBP
View
18 more retailers have this diamond
Prices start from $245 NZDSave up to $1,673 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 Heart
$245 NZD