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Marquise|Natural|GIA

1.50ct I SI2 Marquise Natural Diamond

EX • I/SI2 • GIA 2556380273

Certificate GIA 2556380273

Diamond specifications and retailer prices

From $8,372 SGD
$6,549 USD
As of October 30, 2026
Save $6,474 SGD (44%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $14,846 SGD at MOH London · As of October 29, 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 SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2556380273. Listed at 14 retailers as of October 29, 2026, with prices from $8,372 to $14,846, a $6,474 spread on the same certified stone. MOH London lists it at $14,846. 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
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 2556380273
Dimensions11.18 × 5.86 × 3.78 mm
L/W Ratio1.91
Girdle conditionFaceted
Culet sizeNone
Top View
11.18 mm5.86 mm1.50 ctI / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceMedium
CertificateGIA 2556380273
Side View
Table 56.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 64.6%

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: Oct 30
Current: $14,846 SGD|Low: $8,122 SGD|High: $14,945 SGD|Avg: $10,199 SGD|-0.7%
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
October 30, 2026
Retailer 18$8,372 SGD
Retailer 8$8,432 SGD
Retailer 10$8,616 SGD
Retailer 9$8,723 SGD
Retailer 4$8,861 SGD
Retailer 17$8,861 SGD
Retailer 3$8,935 SGD
Retailer 5$9,747 SGD
Retailer 11$10,000 SGD
Retailer 2$10,367 SGD
Retailer 13$10,598 SGD
Retailer 15$10,598 SGD
Retailer 14$10,943 SGD
Retailer 6$10,977 SGD
Retailer 16$11,076 SGD
Retailer 12$11,560 SGD
Retailer 7$11,671 SGD
MOH London$14,846 SGD

23 data points across 18 retailers

14 retailers$8,372 SGD to $14,846 SGD

B+
Cheapest Retailer
-
$8,372 SGD
$6,549 USD
B+
Retailer 2
-
$8,861 SGD
$6,931 USD
View
Final sale: no returns
Retailer 3
-
$8,861 SGD
$6,931 USD
View
Price last confirmed 21 days ago
B+
Retailer 4
-
$8,935 SGD
$6,989 USD
View
B+
Retailer 5
-
$9,747 SGD
$7,624 USD
View
B+
Retailer 6
-
$10,000 SGD
£6,159 GBP
View
B+
Retailer 7
-
$10,367 SGD
£6,385 GBP
View
B
Retailer 8
-
$10,598 SGD
$8,290 USD
View
B
Retailer 9
-
$10,598 SGD
$8,290 USD
View
B
Retailer 10
-
$10,943 SGD
$8,560 USD
View
B
Retailer 11
-
$11,076 SGD
$8,664 USD
View
B
Retailer 12
-
$11,560 SGD
€8,612 EUR
View
Retailer 13
-
$11,671 SGD
$9,129 USD
View
Price last confirmed 19 days ago
Most Expensive
B
MOH London
1FA2D8523 · Oct 29
$14,846 SGD
£9,144 GBP
View
13 more retailers have this diamond
Prices start from $8,372 SGDSave up to $6,474 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+
1.50ct Marquise
$8,372 SGD