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Asscher|Natural|GIA

1.20ct J SI1 Asscher Natural Diamond

EX • J/SI1 • GIA 1475915987

Certificate GIA 1475915987

Diamond specifications and retailer prices

From £1,228 GBP
As of November 6, 2026
Save £2,146 GBP (64%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £3,375 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.2ct natural asscher diamond

This 1.2ct natural asscher sits in the classic one-carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1475915987. Listed at 15 retailers as of November 5, 2026, with prices from £1,228 to £3,375, a £2,146 spread on the same certified stone. NZ Jewellers lists it at £3,375. 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

1.20
Carat
J
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1475915987
Dimensions5.66 × 5.64 × 3.93 mm
L/W Ratio1.00
Girdle conditionPolished
Top View
5.66 mm5.64 mm1.20 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1475915987
Side View
Table 66.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 69.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: £3,375 GBP|Low: £1,295 GBP|High: £3,375 GBP|Avg: £1,914 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 6£1,295 GBP
Retailer 7£1,401 GBP
Retailer 9£1,456 GBP
Retailer 3£1,517 GBP
Retailer 2£1,774 GBP
Retailer 5£1,901 GBP
Retailer 8£2,002 GBP
Retailer 4£2,417 GBP
NZ Jewellers£3,375 GBP

43 data points across 9 retailers

15 retailers£1,228 GBP to £3,375 GBP

A
Cheapest Retailer
-
£1,228 GBP
A
Retailer 2
-
£1,295 GBP
View
B+
Retailer 3
-
£1,365 GBP
View
B+
Retailer 4
-
£1,401 GBP
View
B+
Retailer 5
-
£1,456 GBP
View
B+
Retailer 6
-
£1,487 GBP
View
B+
Retailer 7
-
£1,487 GBP
View
B+
Retailer 8
-
£1,517 GBP
View
B+
Retailer 9
-
£1,539 GBP
View
B+
Retailer 10
-
£1,606 GBP
View
B+
Retailer 11
-
£1,774 GBP
View
B
Retailer 12
-
£1,901 GBP
View
B
Retailer 13
-
£2,002 GBP
View
B
Retailer 14
-
£2,417 GBP
View
Most Expensive
B
NZ Jewellers
7c3a70bc-fcf2-46b1-9b54-1f5f22e26c13 · Nov 5
£3,375 GBP
$4,517 USD
View
14 more retailers have this diamond
Prices start from £1,228 GBPSave up to £2,146 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
1.20ct Asscher
£1,228 GBP