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Heart|Natural|GIA

1.63ct G SI2 Heart Natural Diamond

EX • G/SI2 • GIA 6432239384

Certificate GIA 6432239384

Diamond specifications and retailer prices

From £8,979 GBP
$12,049 USD
As of November 1, 2026
Save £4,662 GBP (34%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £15,038 GBP at MOH London · As of November 2, 2026
View at MOH London

About this 1.63ct natural heart diamond

This 1.63ct natural heart sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6432239384. Listed at 8 retailers as of October 30, 2026, with a 52% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6432239384
Dimensions6.93 × 8.13 × 4.81 mm
L/W Ratio1.17
Top View
6.93 mm8.13 mm1.63 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6432239384
Side View
Table 60.0%CrownGirdlePavilionCulet: NoneDepth 59.2%

Caratlytics Score

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B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: £15,038 GBP|Low: £8,979 GBP|High: £15,219 GBP|Avg: £11,363 GBP|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 3£8,979 GBP
Retailer 8£9,629 GBP
Retailer 4£10,271 GBP
Retailer 2£10,381 GBP
Retailer 5£10,431 GBP
Retailer 7£10,832 GBP
Retailer 9£11,856 GBP
Retailer 6£13,641 GBP
MOH London£15,038 GBP

43 data points across 9 retailers

8 retailers£8,979 GBP to £13,641 GBP

B
Cheapest Retailer
-
£8,979 GBP
$12,049 USD
B
Retailer 2
-
£10,271 GBP
$13,783 USD
View
B
Retailer 3
-
£10,381 GBP
View
B
Retailer 4
-
£10,431 GBP
$13,998 USD
View
B
Retailer 5
-
£10,832 GBP
$14,536 USD
View
B
Retailer 6
-
£11,630 GBP
$15,606 USD
View
B
Retailer 7
-
£13,641 GBP
$18,305 USD
View
Most Expensive
MOH London
15102E006 · Nov 2
£15,038 GBP
View
Price under review
7 more retailers have this diamond
Prices start from £8,979 GBPSave up to £4,662 GBP

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.

B
1.63ct Heart
£8,979 GBP