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Round|Natural|GIA

0.90ct D SI2 Round Natural Diamond

EX • D/SI2 • GIA 6565377109

Certificate GIA 6565377109

Diamond specifications and retailer prices

From £1,165 GBP
HK$12,200 HKD
As of October 30, 2026
Save £2,893 GBP (71%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £4,059 GBP at Moon Ocean · As of October 30, 2026
View at Moon Ocean

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 6565377109. Listed at 19 retailers as of October 30, 2026, with prices from £1,165 to £4,059, a £2,893 spread on the same certified stone. Moon Ocean lists it at £4,059. 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 angle35.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 6565377109
Dimensions6.12 × 6.16 × 3.83 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Needle, Feather
Top View
6.12 mm6.16 mm0.90 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6565377109
Side View
Table 59.0%Crown 35.5°Girdle: THN-STKPavilion 41.2°Culet: NoneDepth 62.4%

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: £4,059 GBP|Low: £1,224 GBP|High: £4,097 GBP|Avg: £2,014 GBP|-0.7%
Moon Ocean
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 2£1,231 GBP
Retailer 4£1,411 GBP
Retailer 5£1,433 GBP
Retailer 6£1,443 GBP
Retailer 3£1,564 GBP
Retailer 11£1,564 GBP
Retailer 14£1,636 GBP
Retailer 8£1,705 GBP
Retailer 13£1,804 GBP
Retailer 7£2,135 GBP
Retailer 9£2,754 GBP
Retailer 10£2,924 GBP
Retailer 12£3,269 GBP
Moon Ocean£4,059 GBP

26 data points across 14 retailers

19 retailers£1,165 GBP to £4,059 GBP

A
Cheapest Retailer
-
£1,165 GBP
HK$12,200 HKD
A
Retailer 2
-
£1,231 GBP
₹157,076 INR
View
A
Retailer 3
-
£1,411 GBP
$1,890 USD
View
A
Retailer 4
-
£1,433 GBP
SGD 2,594 SGD
View
A
Retailer 5
-
£1,443 GBP
$1,933 USD
View
Final sale: no returns
A
Retailer 6
-
£1,464 GBP
$1,962 USD
View
A
Retailer 7
-
£1,489 GBP
$1,995 USD
View
A
Retailer 8
-
£1,564 GBP
$2,095 USD
View
B+
Retailer 9
-
£1,564 GBP
$2,095 USD
View
B+
Retailer 10
-
£1,631 GBP
SGD 2,953 SGD
View
B+
Retailer 11
-
£1,636 GBP
$2,192 USD
View
B+
Retailer 12
-
£1,667 GBP
$2,234 USD
View
B+
Retailer 13
-
£1,705 GBP
View
B+
Retailer 14
-
£1,804 GBP
$2,417 USD
View
B+
Retailer 15
-
£2,135 GBP
€2,725 EUR
View
B
Retailer 16
-
£2,754 GBP
View
B
Retailer 17
-
£2,924 GBP
View
B
Retailer 18
-
£3,269 GBP
$4,380 USD
View
Most Expensive
B
Moon Ocean
NVN-834A3A14E-109 · Oct 30
£4,059 GBP
View
18 more retailers have this diamond
Prices start from £1,165 GBPSave up to £2,893 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
£1,165 GBP