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Marquise|Natural|GIA

1.50ct E SI2 Marquise Natural Diamond

EX • E/SI2 • GIA 7552026425

Certificate GIA 7552026425

Diamond specifications and retailer prices

From $11,829 SGD
$9,253 USD
As of October 28, 2026
Save $9,419 SGD (44%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $21,248 SGD at NZ Jewellers · As of October 27, 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 E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7552026425. Listed at 17 retailers as of October 27, 2026, with prices from $11,829 to $21,248, a $9,419 spread on the same certified stone. NZ Jewellers lists it at $21,248. 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
E
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 7552026425
Dimensions11.63 × 5.91 × 3.56 mm
L/W Ratio1.97
Key to symbols
Feather
Top View
11.63 mm5.91 mm1.50 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 7552026425
Side View
Table 53.0%CrownGirdle: THK-THKPavilionCulet: NoneDepth 60.3%

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: Oct 28
Current: $21,248 SGD|Low: $11,757 SGD|High: $21,248 SGD|Avg: $15,405 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
October 29, 2026
Retailer 11$11,829 SGD
Retailer 3$11,925 SGD
Retailer 15$12,748 SGD
Retailer 12$12,854 SGD
Retailer 5$13,811 SGD
Retailer 2$13,963 SGD
Retailer 13$14,024 SGD
Retailer 14$14,160 SGD
Retailer 8$14,448 SGD
Retailer 4$15,935 SGD
Retailer 10$16,039 SGD
Retailer 6$16,774 SGD
Retailer 7$18,312 SGD
Retailer 9$20,017 SGD
NZ Jewellers$21,248 SGD

37 data points across 15 retailers

17 retailers$11,829 SGD to $21,248 SGD

A
Cheapest Retailer
-
$11,829 SGD
$9,253 USD
A
Retailer 2
-
$11,925 SGD
$9,328 USD
View
B+
Retailer 3
-
$12,748 SGD
$9,972 USD
View
B+
Retailer 4
-
$12,854 SGD
$10,055 USD
View
B+
Retailer 5
-
$13,811 SGD
$10,803 USD
View
B+
Retailer 6
-
$13,963 SGD
£8,600 GBP
View
B+
Retailer 7
-
$14,024 SGD
$10,970 USD
View
B+
Retailer 8
-
$14,160 SGD
$11,076 USD
View
B+
Retailer 9
-
$14,448 SGD
£8,899 GBP
View
B+
Retailer 10
-
$14,944 SGD
$11,690 USD
View
B+
Retailer 11
-
$14,944 SGD
$11,690 USD
View
B+
Retailer 12
-
$15,443 SGD
$12,080 USD
View
B
Retailer 13
-
$15,935 SGD
$12,465 USD
View
B
Retailer 14
-
$16,039 SGD
€11,949 EUR
View
Retailer 15
-
$16,774 SGD
$13,121 USD
View
Price last confirmed 8 days ago
B
Retailer 16
-
$20,017 SGD
£12,329 GBP
View
Most Expensive
B
NZ Jewellers
361bbd9a-62ab-4861-83d0-be2e971d2784 · Oct 27
$21,248 SGD
$16,621 USD
View
16 more retailers have this diamond
Prices start from $11,829 SGDSave up to $9,419 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
$11,829 SGD