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Heart|Natural|GIA

1.12ct G SI2 Heart Natural Diamond

EX • G/SI2 • GIA 1242063357

Certificate GIA 1242063357

Diamond specifications and retailer prices

From £1,310 GBP
$1,758 USD
As of November 1, 2026
Save £2,077 GBP (61%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £3,387 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.12ct natural heart diamond

This 1.12ct natural heart sits in the classic one-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 1242063357. Listed at 8 retailers as of October 30, 2026, with prices from £1,310 to £3,387, a £2,077 spread on the same certified stone. NZ Jewellers lists it at £3,387. 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

1.12
Carat
G
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Pavilion angle38.6°
OriginNatural
Grading LabGIA
CertificateGIA 1242063357
Dimensions6.28 × 7.16 × 4.22 mm
L/W Ratio1.14
Key to symbols
Twinning Wisp
Top View
6.28 mm7.16 mm1.12 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1242063357
Side View
Table 56.0%CrownGirdle: STK-VTKPavilion 38.6°Culet: NoneDepth 58.9%

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 1
Current: £3,387 GBP|Low: £1,310 GBP|High: £3,603 GBP|Avg: £2,038 GBP|+5.5%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 3£1,310 GBP
Retailer 5£1,389 GBP
Retailer 8£1,417 GBP
Retailer 4£1,453 GBP
Retailer 6£1,631 GBP
Retailer 7£2,128 GBP
Retailer 2£2,433 GBP
NZ Jewellers£3,387 GBP

30 data points across 8 retailers

8 retailers£1,310 GBP to £3,387 GBP

A
Cheapest Retailer
-
£1,310 GBP
$1,758 USD
A
Retailer 2
-
£1,389 GBP
$1,864 USD
View
A
Retailer 3
-
£1,417 GBP
SGD 2,570 SGD
View
A
Retailer 4
-
£1,453 GBP
$1,950 USD
View
B+
Retailer 5
-
£1,631 GBP
A$3,368 AUD
View
B+
Retailer 6
-
£2,128 GBP
€2,720 EUR
View
B+
Retailer 7
-
£2,433 GBP
View
Most Expensive
B
NZ Jewellers
49c28a41-2257-42e4-afd9-15dd2f9ebd19 · Oct 30
£3,387 GBP
$4,545 USD
View
7 more retailers have this diamond
Prices start from £1,310 GBPSave up to £2,077 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.

A
1.12ct Heart
£1,310 GBP