Round|Natural|GIA

0.90ct D SI2 Round Natural Diamond

EX • D/SI2 • GIA 3515243860

Certificate GIA 3515243860

Diamond specifications and retailer prices

From £1,259 GBP
HK$13,100 HKD
As of October 30, 2026
Save £3,026 GBP (71%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £4,285 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 3515243860. Listed at 19 retailers as of October 30, 2026, with prices from £1,259 to £4,285, a £3,026 spread on the same certified stone. Moon Ocean lists it at £4,285. 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
FluorescenceNone
Crown angle36.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 3515243860
Dimensions6.16 × 6.12 × 3.83 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Top View
6.16 mm6.12 mm0.90 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3515243860
Side View
Table 57.0%Crown 36.5°Girdle: MED-STKPavilion 40.6°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 30
Current: £4,285 GBP|Low: £1,259 GBP|High: £4,331 GBP|Avg: £2,316 GBP
Moon Ocean
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 10£1,259 GBP
Retailer 8£1,558 GBP
Retailer 12£1,688 GBP
Retailer 9£1,766 GBP
Retailer 2£1,801 GBP
Retailer 7£1,922 GBP
Retailer 3£1,948 GBP
Retailer 6£2,109 GBP
Retailer 11£2,334 GBP
Retailer 5£2,908 GBP
Retailer 4£3,451 GBP
Moon Ocean£4,285 GBP

41 data points across 12 retailers

19 retailers£1,259 GBP to £4,285 GBP

A
Cheapest Retailer
-
£1,259 GBP
HK$13,100 HKD
A
Retailer 2
-
£1,406 GBP
A$2,881 AUD
View
Retailer 3
-
£1,450 GBP
$1,931 USD
View
Price last confirmed 75 days ago
A
Retailer 4
-
£1,525 GBP
$2,031 USD
View
B+
Retailer 5
-
£1,558 GBP
$2,075 USD
View
Final sale: no returns
B+
Retailer 6
-
£1,688 GBP
$2,248 USD
View
B+
Retailer 7
-
£1,755 GBP
$2,337 USD
View
B+
Retailer 8
-
£1,766 GBP
$2,352 USD
View
B+
Retailer 9
-
£1,801 GBP
View
Retailer 10
-
£1,905 GBP
$2,537 USD
View
Price last confirmed 60 days ago
B+
Retailer 11
-
£1,922 GBP
View
B+
Retailer 12
-
£1,948 GBP
$2,594 USD
View
B+
Retailer 13
-
£2,109 GBP
€2,675 EUR
View
B+
Retailer 14
-
£2,334 GBP
€2,960 EUR
View
B
Retailer 15
-
£2,870 GBP
View
B
Retailer 16
-
£2,908 GBP
View
Retailer 17
-
£3,451 GBP
$4,596 USD
View
Price last confirmed 62 days ago
B
Retailer 18
-
£3,451 GBP
$4,596 USD
View
Most Expensive
B
Moon Ocean
NVN-C10C7CAE7-860 · Oct 30
£4,285 GBP
View
18 more retailers have this diamond
Prices start from £1,259 GBPSave up to £3,026 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
£1,259 GBP