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Round|Natural|GIA

0.90ct D SI2 Round Natural Diamond

EX • D/SI2 • GIA 6531237701

Certificate GIA 6531237701

Diamond specifications and retailer prices

From $1,498 USD
HK$11,700 HKD
As of October 26, 2026
Save $3,636 USD (71%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $5,134 USD at Moon Ocean · As of October 27, 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 6531237701. Listed at 19 retailers as of October 26, 2026, with prices from $1,498 to $5,134, a $3,636 spread on the same certified stone. Moon Ocean lists it at $5,134. 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
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6531237701
Dimensions6.21 × 6.16 × 3.78 mm
L/W Ratio1.01
Top View
6.21 mm6.16 mm0.90 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6531237701
Side View
Table 60.0%Crown 35.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.4%

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 26
Current: $5,134 USD|Low: $1,498 USD|High: $5,185 USD|Avg: $2,572 USD|-0.9%
Moon Ocean
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 27, 2026
Retailer 11$1,498 USD
Retailer 6$1,588 USD
Retailer 8$1,825 USD
Retailer 10$1,825 USD
Retailer 9$1,851 USD
Retailer 3$2,116 USD
Retailer 4$2,144 USD
Retailer 7$2,690 USD
Retailer 5$3,470 USD
Retailer 2$3,823 USD
Moon Ocean$5,134 USD

25 data points across 11 retailers

19 retailers$1,498 USD to $5,134 USD

A
Cheapest Retailer
-
$1,498 USD
HK$11,700 HKD
A
Retailer 2
-
$1,588 USD
₹151,244 INR
View
A
Retailer 3
-
$1,825 USD
View
A
Retailer 4
-
$1,826 USD
View
Price last confirmed 30 days ago
A
Retailer 5
-
$1,851 USD
SGD 2,502 SGD
View
A
Retailer 6
-
$1,874 USD
View
Price last confirmed 30 days ago
A
Retailer 7
-
$1,890 USD
View
A
Retailer 8
-
$1,897 USD
View
A
Retailer 9
-
$1,978 USD
View
Price last confirmed 17 days ago
B+
Retailer 10
-
$2,105 USD
SGD 2,844 SGD
View
B+
Retailer 11
-
$2,106 USD
View
Price last confirmed 29 days ago
B+
Retailer 12
-
$2,116 USD
View
A
Retailer 13
-
$2,144 USD
£1,688 GBP
View
B+
Retailer 14
-
$2,690 USD
€2,562 EUR
View
B
Retailer 15
-
$3,470 USD
£2,732 GBP
View
B
Retailer 16
-
$3,823 USD
£3,010 GBP
View
B
Retailer 17
-
$4,824 USD
View
Price last confirmed 26 days ago
B
Retailer 18
-
$4,915 USD
View
Price last confirmed 32 days ago
Most Expensive
B
Moon Ocean
NVN-020EEA0D5-701 · Oct 27
$5,134 USD
£4,042 GBP
View
18 more retailers have this diamond
Prices start from $1,498 USDSave up to $3,636 USD

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
$1,498 USD