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Asscher|Natural|GIA

2.50ct D SI1 Asscher Natural Diamond

EX • D/SI1 • GIA 1559349519

Certificate GIA 1559349519

Diamond specifications and retailer prices

From £17,109 GBP
HK$179,100 HKD
As of October 30, 2026
Save £17,389 GBP (50%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £34,498 GBP at With Clarity · As of October 30, 2026
View at With Clarity

About this 2.5ct natural asscher diamond

This 2.5ct natural asscher sits in the two to three carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1559349519. Listed at 4 retailers as of October 30, 2026, with prices from £17,109 to £34,498, a £17,389 spread on the same certified stone. With Clarity lists it at £34,498. 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

2.50
Carat
D
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1559349519
Dimensions9.31 × 6.71 × 4.54 mm
L/W Ratio1.39
Girdle conditionPolished
Culet sizeNone
Key to symbols
Crystal, Feather, Pinpoint
Top View
9.31 mm6.71 mm2.50 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1559349519
Side View
Table 68.0%CrownGirdlePavilionCulet: NoneDepth 67.7%

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: Oct 30
Current: £17,109 GBP|Low: £17,109 GBP|High: £34,866 GBP|Avg: £22,592 GBP|-3.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
With Clarity
October 20, 2026
Retailer 1£17,109 GBP
Retailer 4£19,455 GBP
Retailer 5£20,311 GBP
Retailer 3£21,086 GBP
Retailer 2£21,488 GBP
With Clarity£34,498 GBP

9 data points across 6 retailers

4 retailers£17,109 GBP to £34,498 GBP

A
Cheapest Retailer
-
£17,109 GBP
HK$179,100 HKD
B+
Retailer 2
-
£21,086 GBP
$28,253 USD
View
B+
Retailer 3
-
£21,488 GBP
SGD 38,908 SGD
View
Most Expensive
B
With Clarity
1559349519 · Oct 30
£34,498 GBP
$46,224 USD
View
3 more retailers have this diamond
Prices start from £17,109 GBPSave up to £17,389 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
2.50ct Asscher
£17,109 GBP