Marquise|Natural|GIA

0.90ct J SI1 Marquise Natural Diamond

EX • J/SI1 • GIA 2524215421

Certificate GIA 2524215421

Diamond specifications and retailer prices

From $1,880 USD
As of November 2, 2026
Save $2,208 USD (54%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $4,088 USD 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 $1,880 to $4,088, a $2,208 spread on the same certified stone. MOH London lists it at $4,088. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $4,088 USD|Low: $1,855 USD|High: $4,136 USD|Avg: $2,622 USD|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 6$1,880 USD
Retailer 7$1,990 USD
Retailer 5$2,317 USD
Retailer 3$2,540 USD
Retailer 2$2,728 USD
Retailer 4$2,873 USD
MOH London$4,088 USD

43 data points across 7 retailers

13 retailers$1,880 USD to $4,088 USD

B+
Cheapest Retailer
-
$1,880 USD
B+
Retailer 2
-
$1,900 USD
View
B+
Retailer 3
-
$1,990 USD
View
B
Retailer 4
-
$2,305 USD
CA$3,202 CAD
View
B
Retailer 5
-
$2,317 USD
View
B
Retailer 6
-
$2,450 USD
View
B
Retailer 7
-
$2,450 USD
View
B
Retailer 8
-
$2,530 USD
View
B
Retailer 9
-
$2,540 USD
£2,000 GBP
View
B
Retailer 10
-
$2,668 USD
View
B
Retailer 11
-
$2,728 USD
€2,598 EUR
View
Retailer 12
-
$2,873 USD
A$4,419 AUD
View
Price last confirmed 25 days ago
Most Expensive
B
MOH London
5A7514D13 · Nov 1
$4,088 USD
£3,219 GBP
View
12 more retailers have this diamond
Prices start from $1,880 USDSave up to $2,208 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.

B+
0.90ct Marquise
$1,880 USD