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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 €286 EUR
$320 USD
As of October 30, 2026
Save €1,244 EUR (81%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: €1,530 EUR at MOH London · As of November 1, 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 October 30, 2026, with prices from €286 to €1,530, a €1,244 spread on the same certified stone. MOH London lists it at €1,530. 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
Color
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: Oct 30
Current: €1,530 EUR|Low: €275 EUR|High: €1,548 EUR|Avg: €750 EUR
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 3€286 EUR
Retailer 6€332 EUR
Retailer 7€432 EUR
Retailer 5€576 EUR
Retailer 8€621 EUR
Retailer 2€1,040 EUR
Retailer 4€1,258 EUR
MOH London€1,530 EUR

14 data points across 8 retailers

7 retailers€286 EUR to €1,530 EUR

A
Cheapest Retailer
-
€286 EUR
$320 USD
A
Retailer 2
-
€332 EUR
$371 USD
View
B+
Retailer 3
-
€432 EUR
$483 USD
View
B+
Retailer 4
-
€576 EUR
$644 USD
View
B
Retailer 5
-
€1,040 EUR
$1,162 USD
View
B
Retailer 6
-
€1,258 EUR
$1,406 USD
View
Most Expensive
B
MOH London
302670874 · Nov 1
€1,530 EUR
£1,346 GBP
View
6 more retailers have this diamond
Prices start from €286 EURSave up to €1,244 EUR

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
€286 EUR