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Marquise|Natural|GIA

1.51ct D SI1 Marquise Natural Diamond

EX • D/SI1 • GIA 2548785636

Certificate GIA 2548785636

Diamond specifications and retailer prices

From $13,162 SGD
$10,292 USD
As of October 28, 2026
Save $11,102 SGD (46%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $24,265 SGD at NZ Jewellers · As of October 27, 2026
View at NZ Jewellers

About this 1.51ct natural marquise diamond

This 1.51ct 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 2548785636. Listed at 15 retailers as of October 27, 2026, with prices from $13,162 to $24,265, a $11,102 spread on the same certified stone. NZ Jewellers lists it at $24,265. 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

1.51
Carat
D
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2548785636
Dimensions11.46 × 5.96 × 3.77 mm
L/W Ratio1.92
Top View
11.46 mm5.96 mm1.51 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2548785636
Side View
Table 62.0%CrownGirdle: THN-VTKPavilionCulet: NoneDepth 63.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: $24,265 SGD|Low: $12,425 SGD|High: $24,265 SGD|Avg: $16,631 SGD
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
October 29, 2026
Retailer 14$12,425 SGD
Retailer 19$13,162 SGD
Retailer 12$13,407 SGD
Retailer 17$13,954 SGD
Retailer 20$14,187 SGD
Retailer 16$14,559 SGD
Retailer 10$15,104 SGD
Retailer 4$15,251 SGD
Retailer 18$15,838 SGD
Retailer 2$15,902 SGD
Retailer 6$16,257 SGD
Retailer 21$17,011 SGD
Retailer 9$17,016 SGD
Retailer 5$17,086 SGD
Retailer 8$17,086 SGD
Retailer 7$17,649 SGD
Retailer 15$17,711 SGD
Retailer 3$17,938 SGD
Retailer 11$19,287 SGD
Retailer 13$22,859 SGD
NZ Jewellers$24,265 SGD

14 data points across 21 retailers

15 retailers$13,162 SGD to $24,265 SGD

A
Cheapest Retailer
-
$13,162 SGD
$10,292 USD
B+
Retailer 2
-
$13,954 SGD
CA$15,154 CAD
View
B+
Retailer 3
-
$14,187 SGD
$11,093 USD
View
B+
Retailer 4
-
$15,251 SGD
$11,925 USD
View
B+
Retailer 5
-
$15,838 SGD
$12,384 USD
View
B+
Retailer 6
-
$15,902 SGD
£9,791 GBP
View
B
Retailer 7
-
$16,257 SGD
$12,712 USD
View
B+
Retailer 8
-
$17,011 SGD
$13,301 USD
View
B+
Retailer 9
-
$17,086 SGD
$13,360 USD
View
B+
Retailer 10
-
$17,086 SGD
$13,360 USD
View
B+
Retailer 11
-
$17,649 SGD
$13,800 USD
View
B+
Retailer 12
-
$17,711 SGD
€13,189 EUR
View
B
Retailer 13
-
$17,938 SGD
$14,026 USD
View
B
Retailer 14
-
$22,859 SGD
£14,074 GBP
View
Most Expensive
B
NZ Jewellers
be492634-6ba2-4243-8d8b-db70219f853b · Oct 27
$24,265 SGD
$18,973 USD
View
14 more retailers have this diamond
Prices start from $13,162 SGDSave up to $11,102 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
1.51ct Marquise
$13,162 SGD