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Heart|Lab Grown|GCAL

1.63ct G SI1 Heart Lab Grown Diamond

EX • G/SI1 • GCAL 302670874

Shape and cutting style on the report: Heart brilliant

Certificate GCAL 302670874

Diamond specifications and retailer prices

From $577 NZD
As of November 6, 2026
Save $2,497 NZD (81%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $3,074 NZD at MOH London · As of November 5, 2026
View at MOH London

About this 1.63ct lab-grown heart diamond

This 1.63ct lab-grown heart sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GCAL 302670874. Listed at 7 retailers as of November 5, 2026, with prices from $577 to $3,074, a $2,497 spread on the same certified stone. MOH London lists it at $3,074. 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

1.63
Carat
G
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.4°
Pavilion angle41.9°
OriginLab Grown
Grading LabGCAL
CertificateGCAL 302670874
Dimensions7.19 × 8.36 × 4.69 mm
L/W Ratio1.16
Culet sizeNone
Top View
7.19 mm8.36 mm1.63 ctG / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGCAL 302670874
Side View
Table 66.0%Crown 37.4°GirdlePavilion 41.9°Culet: NoneDepth 56.1%

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 6
Current: $3,074 NZD|Low: $554 NZD|High: $3,120 NZD|Avg: $1,512 NZD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 5, 2026
Retailer 3$577 NZD
Retailer 6$669 NZD
Retailer 7$871 NZD
Retailer 5$1,162 NZD
Retailer 8$1,250 NZD
Retailer 2$2,096 NZD
Retailer 4$2,536 NZD
MOH London$3,074 NZD

15 data points across 8 retailers

7 retailers$577 NZD to $3,074 NZD

A
Cheapest Retailer
-
$577 NZD
A
Retailer 2
-
$669 NZD
View
B+
Retailer 3
-
$871 NZD
View
B+
Retailer 4
-
$1,162 NZD
View
B
Retailer 5
-
$2,096 NZD
View
B
Retailer 6
-
$2,536 NZD
View
Most Expensive
B
MOH London
302670874 · Nov 5
$3,074 NZD
£1,342 GBP
View
6 more retailers have this diamond
Prices start from $577 NZDSave up to $2,497 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
1.63ct Heart
$577 NZD