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Marquise|Natural|GIA

1.50ct D SI1 Marquise Natural Diamond

ID • D/SI1 • GIA 6562492877

Certificate GIA 6562492877

Diamond specifications and retailer prices

From $12,212 SGD
As of November 4, 2026
Save $11,213 SGD (48%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $23,425 SGD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.5ct natural marquise diamond

This 1.5ct natural marquise sits in the one-and-a-half to two 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 6562492877. Listed at 24 retailers as of November 4, 2026, with prices from $12,212 to $23,425, a $11,213 spread on the same certified stone. NZ Jewellers lists it at $23,425. 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
D
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6562492877
Dimensions11.52 × 5.89 × 3.70 mm
L/W Ratio1.96
Girdle conditionFaceted
Top View
11.52 mm5.89 mm1.50 ctD / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6562492877
Side View
Table 60.0%CrownGirdle: STK-VTKPavilionCulet: NDepth 62.7%

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 4
Current: $23,425 SGD|Low: $12,128 SGD|High: $23,425 SGD|Avg: $15,272 SGD|+0.3%
NZ Jewellers
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
Retailer 21
Retailer 22
November 6, 2026
Retailer 12$12,212 SGD
Retailer 8$12,319 SGD
Retailer 14$12,776 SGD
Retailer 22$12,992 SGD
Retailer 19$13,208 SGD
Retailer 2$13,466 SGD
Retailer 6$13,532 SGD
Retailer 21$13,559 SGD
Retailer 11$13,867 SGD
Retailer 5$13,873 SGD
Retailer 10$14,054 SGD
Retailer 17$14,282 SGD
Retailer 9$14,431 SGD
Retailer 15$15,224 SGD
Retailer 7$15,539 SGD
Retailer 4$15,619 SGD
Retailer 13$15,639 SGD
Retailer 16$17,262 SGD
Retailer 3$17,558 SGD
Retailer 18$20,506 SGD
Retailer 20$21,891 SGD
NZ Jewellers$23,425 SGD

17 data points across 22 retailers

24 retailers$12,212 SGD to $23,425 SGD

A
Cheapest Retailer
-
$12,212 SGD
A
Retailer 2
-
$12,319 SGD
View
Retailer 3
-
$12,361 SGD
View
Price last confirmed 27 days ago
A
Retailer 4
-
$12,776 SGD
View
A
Retailer 5
-
$12,992 SGD
View
B+
Retailer 6
-
$13,208 SGD
View
Retailer 7
-
$13,385 SGD
View
Price last confirmed 27 days ago
B+
Retailer 8
-
$13,466 SGD
View
B+
Retailer 9
-
$13,532 SGD
View
B+
Retailer 10
-
$13,559 SGD
View
B+
Retailer 11
-
$13,867 SGD
View
B+
Retailer 12
-
$13,873 SGD
View
B+
Retailer 13
-
$14,054 SGD
View
Final sale: no returns
B+
Retailer 14
-
$14,282 SGD
View
B+
Retailer 15
-
$14,431 SGD
View
Retailer 16
-
$15,224 SGD
View
Price last confirmed 15 days ago
B+
Retailer 17
-
$15,539 SGD
View
B+
Retailer 18
-
$15,619 SGD
View
B+
Retailer 19
-
$15,639 SGD
View
B+
Retailer 20
-
$17,262 SGD
View
B+
Retailer 21
-
$17,558 SGD
View
B
Retailer 22
-
$20,506 SGD
View
B
Retailer 23
-
$21,891 SGD
View
Most Expensive
B
NZ Jewellers
6d4e1df9-db6b-44b4-a4bd-7028022d2000 · Nov 5
$23,425 SGD
$18,278 USD
View
23 more retailers have this diamond
Prices start from $12,212 SGDSave up to $11,213 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
$12,212 SGD