Round|Natural|GIA

0.90ct D SI2 Round Natural Diamond

EX • D/SI2 • GIA 6565377109

Certificate GIA 6565377109

Diamond specifications and retailer prices

From $1,562 USD
HK$12,200 HKD
As of October 30, 2026
Save $3,877 USD (71%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $5,438 USD 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 $1,562 to $5,438, a $3,877 spread on the same certified stone. Moon Ocean lists it at $5,438. 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
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $5,438 USD|Low: $1,640 USD|High: $5,489 USD|Avg: $2,699 USD|-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$1,649 USD
Retailer 4$1,890 USD
Retailer 5$1,920 USD
Retailer 6$1,933 USD
Retailer 3$2,095 USD
Retailer 11$2,095 USD
Retailer 14$2,192 USD
Retailer 8$2,285 USD
Retailer 13$2,417 USD
Retailer 7$2,861 USD
Retailer 9$3,691 USD
Retailer 10$3,918 USD
Retailer 12$4,380 USD
Moon Ocean$5,438 USD

26 data points across 14 retailers

19 retailers$1,562 USD to $5,438 USD

A
Cheapest Retailer
-
$1,562 USD
HK$12,200 HKD
A
Retailer 2
-
$1,649 USD
₹157,076 INR
View
A
Retailer 3
-
$1,890 USD
View
A
Retailer 4
-
$1,920 USD
SGD 2,594 SGD
View
A
Retailer 5
-
$1,933 USD
View
Final sale: no returns
A
Retailer 6
-
$1,962 USD
View
A
Retailer 7
-
$1,995 USD
View
A
Retailer 8
-
$2,095 USD
View
B+
Retailer 9
-
$2,095 USD
View
B+
Retailer 10
-
$2,185 USD
SGD 2,953 SGD
View
B+
Retailer 11
-
$2,192 USD
View
B+
Retailer 12
-
$2,234 USD
View
B+
Retailer 13
-
$2,285 USD
£1,799 GBP
View
B+
Retailer 14
-
$2,417 USD
View
B+
Retailer 15
-
$2,861 USD
€2,725 EUR
View
B
Retailer 16
-
$3,691 USD
£2,906 GBP
View
B
Retailer 17
-
$3,918 USD
£3,085 GBP
View
B
Retailer 18
-
$4,380 USD
View
Most Expensive
B
Moon Ocean
NVN-834A3A14E-109 · Oct 30
$5,438 USD
£4,282 GBP
View
18 more retailers have this diamond
Prices start from $1,562 USDSave up to $3,877 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
$1,562 USD