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Asscher|Natural|GIA

1.50ct J SI1 Asscher Natural Diamond

EX • J/SI1 • GIA 1553497500

Certificate GIA 1553497500

Diamond specifications and retailer prices

From £2,421 GBP
As of November 6, 2026
Save £2,149 GBP (47%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £4,570 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.5ct natural asscher diamond

This 1.5ct natural asscher sits in the one-and-a-half to two 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 1553497500. Listed at 14 retailers as of November 5, 2026, with prices from £2,421 to £4,570, a £2,149 spread on the same certified stone. NZ Jewellers lists it at £4,570. 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

1.50
Carat
J
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1553497500
Dimensions6.19 × 6.15 × 4.23 mm
L/W Ratio1.01
Girdle conditionPolished
Culet sizeNone
Key to symbols
Feather, Crystal, Needle
Top View
6.19 mm6.15 mm1.50 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1553497500
Side View
Table 67.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 68.7%

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: £4,570 GBP|Low: £2,219 GBP|High: £4,570 GBP|Avg: £3,045 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 3£2,421 GBP
Retailer 2£2,510 GBP
Retailer 4£2,525 GBP
Retailer 9£2,623 GBP
Retailer 11£2,623 GBP
Retailer 6£2,698 GBP
Retailer 12£2,724 GBP
Retailer 10£3,027 GBP
Retailer 5£3,053 GBP
Retailer 7£3,201 GBP
Retailer 8£4,374 GBP
NZ Jewellers£4,570 GBP

30 data points across 12 retailers

14 retailers£2,421 GBP to £4,570 GBP

A
Cheapest Retailer
-
£2,421 GBP
Final sale: no returns
A
Retailer 2
-
£2,510 GBP
View
A
Retailer 3
-
£2,525 GBP
View
A
Retailer 4
-
£2,623 GBP
View
Retailer 5
-
£2,623 GBP
View
Price last confirmed 12 days ago
A
Retailer 6
-
£2,698 GBP
View
B+
Retailer 7
-
£2,724 GBP
View
Retailer 8
-
£2,812 GBP
View
Price last confirmed 33 days ago
Retailer 9
-
£2,936 GBP
View
Price last confirmed 11 days ago
B+
Retailer 10
-
£3,027 GBP
View
B+
Retailer 11
-
£3,053 GBP
View
B+
Retailer 12
-
£3,201 GBP
View
B
Retailer 13
-
£4,374 GBP
View
Most Expensive
B
NZ Jewellers
ddfb8cad-8f61-40e4-a812-4567200dc956 · Nov 5
£4,570 GBP
$6,117 USD
View
13 more retailers have this diamond
Prices start from £2,421 GBPSave up to £2,149 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
1.50ct Asscher
£2,421 GBP