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Marquise|Natural|GIA

0.90ct J SI1 Marquise Natural Diamond

EX • J/SI1 • GIA 2524215421

Certificate GIA 2524215421

Diamond specifications and retailer prices

From $2,403 SGD
$1,880 USD
As of November 2, 2026
Save $2,823 SGD (54%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $5,226 SGD at MOH London · As of November 1, 2026
View at MOH London

About this 0.9ct natural marquise diamond

This 0.9ct natural marquise sits in the just-under-one-carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2524215421. Listed at 13 retailers as of November 1, 2026, with prices from $2,403 to $5,226, a $2,823 spread on the same certified stone. MOH London lists it at $5,226. 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
J
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35.54°
OriginNatural
Grading LabGIA
CertificateGIA 2524215421
Dimensions10.07 × 5.15 × 3.00 mm
L/W Ratio1.96
Top View
10.07 mm5.15 mm0.90 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2524215421
Side View
Table 59.0%Crown 35.54°Girdle: MED-THKPavilionCulet: NoneDepth 58.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $5,226 SGD|Low: $2,371 SGD|High: $5,288 SGD|Avg: $3,352 SGD|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 6$2,403 SGD
Retailer 7$2,544 SGD
Retailer 5$2,962 SGD
Retailer 3$3,246 SGD
Retailer 2$3,487 SGD
Retailer 4$3,672 SGD
MOH London$5,226 SGD

43 data points across 7 retailers

13 retailers$2,403 SGD to $5,226 SGD

B+
Cheapest Retailer
-
$2,403 SGD
$1,880 USD
B+
Retailer 2
-
$2,429 SGD
$1,900 USD
View
B+
Retailer 3
-
$2,544 SGD
$1,990 USD
View
B
Retailer 4
-
$2,947 SGD
CA$3,202 CAD
View
B
Retailer 5
-
$2,962 SGD
$2,317 USD
View
B
Retailer 6
-
$3,132 SGD
$2,450 USD
View
B
Retailer 7
-
$3,132 SGD
$2,450 USD
View
B
Retailer 8
-
$3,234 SGD
$2,530 USD
View
B
Retailer 9
-
$3,246 SGD
£2,000 GBP
View
B
Retailer 10
-
$3,411 SGD
$2,668 USD
View
B
Retailer 11
-
$3,487 SGD
€2,598 EUR
View
Retailer 12
-
$3,672 SGD
A$4,419 AUD
View
Price last confirmed 25 days ago
Most Expensive
B
MOH London
5A7514D13 · Nov 1
$5,226 SGD
£3,219 GBP
View
12 more retailers have this diamond
Prices start from $2,403 SGDSave up to $2,823 SGD

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.

B+
0.90ct Marquise
$2,403 SGD