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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 €1,340 EUR
HK$11,700 HKD
As of October 26, 2026
Save €3,255 EUR (71%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €4,595 EUR 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 €1,340 to €4,595, a €3,255 spread on the same certified stone. Moon Ocean lists it at €4,595. 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: €4,595 EUR|Low: €1,340 EUR|High: €4,641 EUR|Avg: €2,302 EUR|-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€1,340 EUR
Retailer 6€1,421 EUR
Retailer 8€1,634 EUR
Retailer 10€1,634 EUR
Retailer 9€1,657 EUR
Retailer 3€1,894 EUR
Retailer 4€1,919 EUR
Retailer 7€2,408 EUR
Retailer 5€3,106 EUR
Retailer 2€3,422 EUR
Moon Ocean€4,595 EUR

25 data points across 11 retailers

19 retailers€1,340 EUR to €4,595 EUR

A
Cheapest Retailer
-
€1,340 EUR
HK$11,700 HKD
A
Retailer 2
-
€1,421 EUR
₹151,244 INR
View
A
Retailer 3
-
€1,634 EUR
$1,825 USD
View
Retailer 4
-
€1,634 EUR
$1,826 USD
View
Price last confirmed 33 days ago
A
Retailer 5
-
€1,657 EUR
SGD 2,502 SGD
View
Retailer 6
-
€1,677 EUR
$1,874 USD
View
Price last confirmed 32 days ago
A
Retailer 7
-
€1,692 EUR
$1,890 USD
View
A
Retailer 8
-
€1,698 EUR
$1,897 USD
View
Retailer 9
-
€1,770 EUR
$1,978 USD
View
Price last confirmed 20 days ago
B+
Retailer 10
-
€1,884 EUR
SGD 2,844 SGD
View
Retailer 11
-
€1,885 EUR
$2,106 USD
View
Price last confirmed 32 days ago
B+
Retailer 12
-
€1,894 EUR
$2,116 USD
View
A
Retailer 13
-
€1,919 EUR
£1,688 GBP
View
B+
Retailer 14
-
€2,408 EUR
View
B
Retailer 15
-
€3,106 EUR
£2,732 GBP
View
B
Retailer 16
-
€3,422 EUR
£3,010 GBP
View
Retailer 17
-
€4,318 EUR
$4,824 USD
View
Price last confirmed 29 days ago
Retailer 18
-
€4,399 EUR
$4,915 USD
View
Price last confirmed 35 days ago
Most Expensive
B
Moon Ocean
NVN-020EEA0D5-701 · Oct 27
€4,595 EUR
£4,042 GBP
View
18 more retailers have this diamond
Prices start from €1,340 EURSave up to €3,255 EUR

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
€1,340 EUR