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Heart|Lab Grown|IGI

3.00ct G SI1 Heart Lab Grown Diamond

ID • G/SI1 • IGI LG508156284

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG508156284

Diamond specifications and retailer prices

From $989 NZD
$556 USD
As of November 2, 2026
Save $4,331 NZD (81%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $5,320 NZD at MOH London · As of November 3, 2026
View at MOH London

About this 3ct lab-grown heart diamond

This 3ct lab-grown heart sits in the three to five carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG508156284 or 508156284. Listed at 14 retailers as of November 2, 2026, with prices from $989 to $5,320, a $4,331 spread on the same certified stone. MOH London lists it at $5,320. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

3.00
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.6°
Pavilion angle42.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG508156284
Dimensions9.78 × 8.57 × 6.01 mm
L/W Ratio1.14
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
9.78 mm8.57 mm3.00 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG508156284
Side View
Table 58.5%Crown 42.6°Girdle: STK-VTKPavilion 42.7°Culet: NoneDepth 61.5%

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 2
Current: $5,320 NZD|Low: $949 NZD|High: $5,383 NZD|Avg: $2,277 NZD|-1.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 3, 2026
Retailer 7$989 NZD
Retailer 4$1,106 NZD
Retailer 12$1,106 NZD
Retailer 9$1,225 NZD
Retailer 5$1,467 NZD
Retailer 3$1,714 NZD
Retailer 11$1,892 NZD
Retailer 2$1,911 NZD
Retailer 6$3,161 NZD
Retailer 10$3,224 NZD
Retailer 8$4,303 NZD
MOH London$5,320 NZD

43 data points across 12 retailers

14 retailers$989 NZD to $5,320 NZD

A
Cheapest Retailer
-
$989 NZD
$556 USD
A
Retailer 2
-
$1,106 NZD
$622 USD
View
Final sale: no returns
A
Retailer 3
-
$1,106 NZD
$622 USD
View
A
Retailer 4
-
$1,225 NZD
$689 USD
View
Retailer 5
-
$1,225 NZD
$689 USD
View
Price last confirmed 18 days ago
A
Retailer 6
-
$1,467 NZD
$825 USD
View
A
Retailer 7
-
$1,714 NZD
$964 USD
View
B+
Retailer 8
-
$1,892 NZD
$1,064 USD
View
A
Retailer 9
-
$1,911 NZD
£846 GBP
View
B+
Retailer 10
-
$3,161 NZD
$1,778 USD
View
B
Retailer 11
-
$3,224 NZD
$1,813 USD
View
B
Retailer 12
-
$3,892 NZD
HK$17,100 HKD
View
B
Retailer 13
-
$4,303 NZD
$2,420 USD
View
Most Expensive
B
MOH London
LG508156284 · Nov 3
$5,320 NZD
£2,356 GBP
View
13 more retailers have this diamond
Prices start from $989 NZDSave up to $4,331 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
3.00ct Heart
$989 NZD