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Heart|Lab Grown|IGI

3.51ct E VS1 Heart Lab Grown Diamond

ID • E/VS1 • IGI LG851699527

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG851699527

Diamond specifications and retailer prices

From $955 NZD
$538 USD
As of October 30, 2026
Save $3,987 NZD (81%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $4,942 NZD at MOH London · As of November 1, 2026
View at MOH London

About this 3.51ct lab-grown heart diamond

This 3.51ct lab-grown heart sits in the three to five carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG851699527 or 851699527. Listed at 14 retailers as of October 30, 2026, with prices from $955 to $4,942, a $3,987 spread on the same certified stone. MOH London lists it at $4,942. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.51
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG851699527
Dimensions9.25 × 10.52 × 6.26 mm
L/W Ratio1.14
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.25 mm10.52 mm3.51 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG851699527
Side View
Table 54.0%Crown 34.5°Girdle: MED-STKPavilion 39.2°Culet: NoneDepth 59.5%

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: Oct 30
Current: $4,942 NZD|Low: $955 NZD|High: $4,942 NZD|Avg: $2,323 NZD
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
November 1, 2026
Retailer 3$955 NZD
Retailer 4$1,068 NZD
Retailer 7$1,183 NZD
Retailer 2$1,350 NZD
Retailer 11$1,419 NZD
Retailer 14$1,829 NZD
Retailer 9$1,843 NZD
Retailer 12$1,845 NZD
Retailer 10$2,784 NZD
Retailer 8$3,114 NZD
Retailer 6$3,746 NZD
Retailer 13$3,811 NZD
Retailer 5$3,843 NZD
MOH London$4,942 NZD

3 data points across 14 retailers

14 retailers$955 NZD to $4,942 NZD

A
Cheapest Retailer
-
$955 NZD
$538 USD
A
Retailer 2
-
$1,068 NZD
$602 USD
View
Final sale: no returns
A
Retailer 3
-
$1,183 NZD
$667 USD
View
A
Retailer 4
-
$1,350 NZD
£599 GBP
View
A
Retailer 5
-
$1,419 NZD
$800 USD
View
B+
Retailer 6
-
$1,829 NZD
$1,031 USD
View
A
Retailer 7
-
$1,843 NZD
£818 GBP
View
A
Retailer 8
-
$1,845 NZD
$1,040 USD
View
B+
Retailer 9
-
$2,784 NZD
$1,569 USD
View
B+
Retailer 10
-
$3,114 NZD
$1,755 USD
View
B+
Retailer 11
-
$3,746 NZD
SGD 2,853 SGD
View
B+
Retailer 12
-
$3,811 NZD
$2,148 USD
View
B+
Retailer 13
-
$3,843 NZD
$2,166 USD
View
Most Expensive
B
MOH London
LG851699527 · Nov 1
$4,942 NZD
£2,193 GBP
View
13 more retailers have this diamond
Prices start from $955 NZDSave up to $3,987 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
3.51ct Heart
$955 NZD