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Round|Natural|GIA

0.90ct D SI2 Round Natural Diamond

EX • D/SI2 • GIA 2557977898

Certificate GIA 2557977898

Diamond specifications and retailer prices

From £1,000 GBP
HK$10,400 HKD
As of October 29, 2026
Save £2,295 GBP (70%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £3,294 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 0.9ct natural round diamond

This 0.9ct natural round sits in the just-under-one-carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2557977898. Listed at 14 retailers as of October 29, 2026, with prices from £1,000 to £3,294, a £2,295 spread on the same certified stone. NZ Jewellers lists it at £3,294. 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

0.90
Carat
D
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2557977898
Dimensions6.12 × 6.17 × 3.85 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Crystal
Top View
6.12 mm6.17 mm0.90 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2557977898
Side View
Table 57.0%Crown 36.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.6%

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: Oct 29
Current: £3,294 GBP|Low: £1,000 GBP|High: £3,487 GBP|Avg: £1,726 GBP|-5.5%
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
Retailer 14
October 30, 2026
Retailer 14£1,000 GBP
Retailer 10£1,022 GBP
Retailer 13£1,231 GBP
Retailer 9£1,351 GBP
Retailer 12£1,351 GBP
Retailer 3£1,407 GBP
Retailer 11£1,413 GBP
Retailer 2£1,454 GBP
Retailer 7£1,505 GBP
Retailer 4£1,558 GBP
Retailer 8£1,849 GBP
Retailer 6£1,964 GBP
Retailer 5£2,381 GBP
NZ Jewellers£3,294 GBP

31 data points across 14 retailers

14 retailers£1,000 GBP to £3,294 GBP

A
Cheapest Retailer
-
£1,000 GBP
HK$10,400 HKD
A
Retailer 2
-
£1,022 GBP
₹129,629 INR
View
A
Retailer 3
-
£1,231 GBP
$1,639 USD
View
A
Retailer 4
-
£1,351 GBP
$1,799 USD
View
A
Retailer 5
-
£1,351 GBP
$1,799 USD
View
A
Retailer 6
-
£1,407 GBP
SGD 2,532 SGD
View
A
Retailer 7
-
£1,413 GBP
$1,882 USD
View
A
Retailer 8
-
£1,454 GBP
$1,936 USD
View
A
Retailer 9
-
£1,505 GBP
View
A
Retailer 10
-
£1,558 GBP
$2,075 USD
View
B+
Retailer 11
-
£1,849 GBP
€2,345 EUR
View
B+
Retailer 12
-
£1,964 GBP
$2,615 USD
View
B+
Retailer 13
-
£2,381 GBP
View
Most Expensive
B
NZ Jewellers
eef0e2b5-4f52-498a-bd06-859a88c12afe · Oct 30
£3,294 GBP
$4,387 USD
View
13 more retailers have this diamond
Prices start from £1,000 GBPSave up to £2,295 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
0.90ct Round
£1,000 GBP