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Asscher|Natural|GIA

1.00ct D SI1 Asscher Natural Diamond

EX • D/SI1 • GIA 6551005228

Certificate GIA 6551005228

Diamond specifications and retailer prices

From £1,259 GBP
As of November 4, 2026
Save £2,070 GBP (62%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £3,329 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1ct natural asscher diamond

This 1ct natural asscher sits in the classic one-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 6551005228. Listed at 14 retailers as of November 4, 2026, with prices from £1,259 to £3,329, a £2,070 spread on the same certified stone. NZ Jewellers lists it at £3,329. 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

1.00
Carat
D
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceVery Strong
OriginNatural
Grading LabGIA
CertificateGIA 6551005228
Dimensions5.45 × 5.19 × 3.66 mm
L/W Ratio1.05
Top View
5.45 mm5.19 mm1.00 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceVery Strong
CertificateGIA 6551005228
Side View
Table 62.0%CrownGirdle: Very ThickPavilionCulet: NoneDepth 70.6%

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 4
Current: £3,329 GBP|Low: £1,259 GBP|High: £3,329 GBP|Avg: £1,698 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
Retailer 13
November 6, 2026
Retailer 4£1,259 GBP
Retailer 3£1,315 GBP
Retailer 2£1,323 GBP
Retailer 9£1,365 GBP
Retailer 12£1,365 GBP
Retailer 13£1,427 GBP
Retailer 10£1,505 GBP
Retailer 7£1,514 GBP
Retailer 11£1,574 GBP
Retailer 5£1,780 GBP
Retailer 6£1,853 GBP
Retailer 8£2,391 GBP
NZ Jewellers£3,329 GBP

34 data points across 13 retailers

14 retailers£1,259 GBP to £3,329 GBP

Retailer 1
-
£1,174 GBP
Price last confirmed 179 days ago
A
Retailer 2
-
£1,259 GBP
View
Final sale: no returns
A
Retailer 3
-
£1,315 GBP
View
A
Retailer 4
-
£1,323 GBP
View
Retailer 5
-
£1,365 GBP
View
Price last confirmed 8 days ago
A
Retailer 6
-
£1,365 GBP
View
A
Retailer 7
-
£1,427 GBP
View
A
Retailer 8
-
£1,505 GBP
View
A
Retailer 9
-
£1,514 GBP
View
A
Retailer 10
-
£1,574 GBP
View
Retailer 11
-
£1,780 GBP
View
Price last confirmed 32 days ago
A
Retailer 12
-
£1,853 GBP
View
B+
Retailer 13
-
£2,391 GBP
View
Most Expensive
B
NZ Jewellers
b6365e8f-b490-45be-ae7c-0df68396a662 · Nov 5
£3,329 GBP
$4,480 USD
View
13 more retailers have this diamond
Prices start from £1,259 GBPSave up to £2,070 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
1.00ct Asscher
£1,259 GBP