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Asscher|Natural|GIA

1.30ct I SI1 Asscher Natural Diamond

ID • I/SI1 • GIA 2

Certificate GIA 2

Diamond specifications and retailer prices

From £1,999 GBP
As of November 4, 2026
Save £539 GBP (21%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £2,539 GBP at Blue Nile · As of November 5, 2026
View at Blue Nile

About this 1.3ct natural asscher diamond

This 1.3ct natural asscher sits in the one-and-a-quarter to one-and-a-half carat band, graded I 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. Listed at 3 retailers as of November 4, 2026, with prices from £1,999 to £2,539, a £539 spread on the same certified stone. Blue Nile lists it at £2,539. 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

1.30
Carat
I
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2
Dimensions6.03 × 5.94 × 3.98 mm
L/W Ratio1.02
Top View
6.03 mm5.94 mm1.30 ctI / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2
Side View
Table 66.0%CrownGirdle: ThickPavilionCulet: NoneDepth 67.0%

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 4
Current: £2,539 GBP|Low: £1,999 GBP|High: £2,539 GBP|Avg: £2,123 GBP
Blue Nile
Retailer 2
Retailer 3
September 26, 2026
Retailer 3£1,999 GBP
Retailer 2£2,040 GBP
Blue Nile£2,539 GBP

2 data points across 3 retailers

3 retailers£1,999 GBP to £2,539 GBP

A
Cheapest Retailer
-
£1,999 GBP
A
Retailer 2
-
£2,040 GBP
View
Most Expensive
B+
Blue Nile
29207327 · Nov 5
£2,539 GBP
$3,398 USD
View
2 more retailers have this diamond
Prices start from £1,999 GBPSave up to £539 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
1.30ct Asscher
£1,999 GBP