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Marquise|Natural|GIA

0.90ct D SI1 Marquise Natural Diamond

EX • D/SI1 • GIA 6247044131

Certificate GIA 6247044131

Diamond specifications and retailer prices

From $3,134 AUD
HK$17,200 HKD
As of November 1, 2026
Save $7,012 AUD (69%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $10,146 AUD at Moon Ocean · As of November 2, 2026
View at Moon Ocean

About this 0.9ct natural marquise diamond

This 0.9ct natural marquise sits in the just-under-one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6247044131. Listed at 20 retailers as of November 1, 2026, with prices from $3,134 to $10,146, a $7,012 spread on the same certified stone. Moon Ocean lists it at $10,146. 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
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6247044131
Dimensions9.67 × 4.95 × 3.14 mm
L/W Ratio1.95
Girdle conditionFaceted
Top View
9.67 mm4.95 mm0.90 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6247044131
Side View
Table 58.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 63.5%

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: Nov 1
Current: $10,146 AUD|Low: $3,116 AUD|High: $10,437 AUD|Avg: $4,987 AUD|-2.7%
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
November 2, 2026
Retailer 16$3,134 AUD
Retailer 3$3,402 AUD
Retailer 18$3,693 AUD
Retailer 14$3,745 AUD
Retailer 5$3,754 AUD
Retailer 9$3,898 AUD
Retailer 4$3,901 AUD
Retailer 20$3,921 AUD
Retailer 7$4,100 AUD
Retailer 2$4,108 AUD
Retailer 10$4,291 AUD
Retailer 12$4,356 AUD
Retailer 11$4,370 AUD
Retailer 6$4,611 AUD
Retailer 17$4,842 AUD
Retailer 15$6,265 AUD
Retailer 8$6,349 AUD
Retailer 13$7,104 AUD
Retailer 19$8,880 AUD
Moon Ocean$10,146 AUD

24 data points across 20 retailers

20 retailers$3,134 AUD to $10,146 AUD

A
Cheapest Retailer
-
$3,134 AUD
HK$17,200 HKD
A
Retailer 2
-
$3,402 AUD
$2,390 USD
View
B+
Retailer 3
-
$3,693 AUD
View
B+
Retailer 4
-
$3,745 AUD
€2,505 EUR
View
B+
Retailer 5
-
$3,754 AUD
$2,637 USD
View
B+
Retailer 6
-
$3,898 AUD
$2,738 USD
View
B+
Retailer 7
-
$3,901 AUD
$2,740 USD
View
B+
Retailer 8
-
$3,921 AUD
$2,754 USD
View
Final sale: no returns
B+
Retailer 9
-
$4,100 AUD
$2,880 USD
View
B+
Retailer 10
-
$4,108 AUD
£2,272 GBP
View
B+
Retailer 11
-
$4,291 AUD
$3,014 USD
View
B+
Retailer 12
-
$4,356 AUD
$3,060 USD
View
B+
Retailer 13
-
$4,370 AUD
SGD 4,148 SGD
View
Retailer 14
-
$4,626 AUD
View
Price last confirmed 25 days ago
B+
Retailer 15
-
$4,842 AUD
€3,239 EUR
View
B
Retailer 16
-
$6,265 AUD
ZAR 71,096 ZAR
View
B
Retailer 17
-
$6,349 AUD
$4,460 USD
View
B
Retailer 18
-
$7,104 AUD
£3,929 GBP
View
B
Retailer 19
-
$8,880 AUD
$6,238 USD
View
Most Expensive
B
Moon Ocean
NVN-05AACC00F-131 · Nov 2
$10,146 AUD
£5,612 GBP
View
19 more retailers have this diamond
Prices start from $3,134 AUDSave up to $7,012 AUD

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 Marquise
$3,134 AUD