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Marquise|Natural|GIA

1.50ct I SI1 Marquise Natural Diamond

ID • I/SI1 • GIA 2567290792

Certificate GIA 2567290792

Diamond specifications and retailer prices

From $7,710 SGD
HK$47,100 HKD
As of November 1, 2026
Save $6,601 SGD (46%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $14,311 SGD at MOH London · As of November 1, 2026
View at MOH London

About this 1.5ct natural marquise diamond

This 1.5ct natural marquise sits in the one-and-a-half to two carat band, graded I 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 2567290792. Listed at 18 retailers as of November 1, 2026, with prices from $7,710 to $14,311, a $6,601 spread on the same certified stone. MOH London lists it at $14,311. 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

1.50
Carat
I
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2567290792
Dimensions11.31 × 5.96 × 3.78 mm
L/W Ratio1.90
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Knot, Cavity, Needle
Top View
11.31 mm5.96 mm1.50 ctI / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2567290792
Side View
Table 58.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 63.4%

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: Nov 1
Current: $14,311 SGD|Low: $7,710 SGD|High: $14,699 SGD|Avg: $10,190 SGD|-2.6%
MOH London
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
November 2, 2026
Retailer 3$7,710 SGD
Retailer 10$8,932 SGD
Retailer 7$9,165 SGD
Retailer 17$9,362 SGD
Retailer 9$9,445 SGD
Retailer 16$9,445 SGD
Retailer 5$9,478 SGD
Retailer 13$9,604 SGD
Retailer 8$9,620 SGD
Retailer 11$9,743 SGD
Retailer 6$9,989 SGD
Retailer 15$10,268 SGD
Retailer 2$10,427 SGD
Retailer 14$10,484 SGD
Retailer 12$11,218 SGD
Retailer 4$11,848 SGD
Retailer 18$12,615 SGD
MOH London$14,311 SGD

30 data points across 18 retailers

18 retailers$7,710 SGD to $14,311 SGD

A
Cheapest Retailer
-
$7,710 SGD
HK$47,100 HKD
Retailer 2
-
$8,932 SGD
View
Price last confirmed 22 days ago
B+
Retailer 3
-
$9,165 SGD
View
B+
Retailer 4
-
$9,362 SGD
$7,320 USD
View
B+
Retailer 5
-
$9,445 SGD
$7,385 USD
View
B+
Retailer 6
-
$9,445 SGD
$7,385 USD
View
B+
Retailer 7
-
$9,478 SGD
$7,411 USD
View
Final sale: no returns
B+
Retailer 8
-
$9,604 SGD
£5,913 GBP
View
Retailer 9
-
$9,620 SGD
$7,522 USD
View
Price last confirmed 17 days ago
B+
Retailer 10
-
$9,743 SGD
£5,999 GBP
View
Retailer 11
-
$9,989 SGD
A$12,016 AUD
View
Price last confirmed 11 days ago
B+
Retailer 12
-
$10,268 SGD
$8,029 USD
View
B+
Retailer 13
-
$10,427 SGD
$8,153 USD
View
B+
Retailer 14
-
$10,484 SGD
$8,198 USD
View
B+
Retailer 15
-
$11,218 SGD
€8,354 EUR
View
B
Retailer 16
-
$11,848 SGD
$9,264 USD
View
B+
Retailer 17
-
$12,615 SGD
ZAR 159,352 ZAR
View
Most Expensive
B
MOH London
B88E0531F · Nov 1
$14,311 SGD
£8,811 GBP
View
17 more retailers have this diamond
Prices start from $7,710 SGDSave up to $6,601 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.

A
1.50ct Marquise
$7,710 SGD