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Marquise|Natural|GIA

1.51ct G SI2 Marquise Natural Diamond

ID • G/SI2 • GIA 5543750984

Certificate GIA 5543750984

Diamond specifications and retailer prices

From $9,222 SGD
$7,211 USD
As of October 28, 2026
Save $11,317 SGD (55%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $20,539 SGD at NZ Jewellers · As of October 30, 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 G 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 5543750984. Listed at 15 retailers as of October 28, 2026, with prices from $9,222 to $20,539, a $11,317 spread on the same certified stone. NZ Jewellers lists it at $20,539. 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
G
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceMedium
Crown angle38.2°
Pavilion angle40.48°
OriginNatural
Grading LabGIA
CertificateGIA 5543750984
Dimensions11.32 × 5.99 × 3.81 mm
L/W Ratio1.89
Top View
11.32 mm5.99 mm1.51 ctG / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 5543750984
Side View
Table 58.0%Crown 38.2°Girdle: ThickPavilion 40.48°Culet: NoneDepth 63.6%

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: $20,539 SGD|Low: $9,222 SGD|High: $20,539 SGD|Avg: $12,437 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
November 3, 2026
Retailer 5$9,222 SGD
Retailer 4$10,054 SGD
Retailer 13$10,191 SGD
Retailer 15$10,685 SGD
Retailer 8$11,497 SGD
Retailer 12$11,506 SGD
Retailer 16$11,573 SGD
Retailer 2$11,580 SGD
Retailer 17$11,918 SGD
Retailer 7$12,290 SGD
Retailer 14$12,290 SGD
Retailer 3$12,567 SGD
Retailer 6$12,699 SGD
Retailer 9$12,791 SGD
Retailer 10$12,870 SGD
Retailer 11$17,114 SGD
NZ Jewellers$20,539 SGD

21 data points across 17 retailers

15 retailers$9,222 SGD to $20,539 SGD

A
Cheapest Retailer
-
$9,222 SGD
$7,211 USD
A
Retailer 2
-
$10,054 SGD
$7,861 USD
View
A
Retailer 3
-
$10,191 SGD
CA$11,067 CAD
View
B+
Retailer 4
-
$10,685 SGD
$8,355 USD
View
B+
Retailer 5
-
$11,506 SGD
$8,997 USD
View
B+
Retailer 6
-
$11,573 SGD
$9,049 USD
View
B+
Retailer 7
-
$11,580 SGD
£7,129 GBP
View
B+
Retailer 8
-
$11,918 SGD
$9,319 USD
View
B+
Retailer 9
-
$12,290 SGD
$9,610 USD
View
B+
Retailer 10
-
$12,290 SGD
$9,610 USD
View
Retailer 11
-
$12,567 SGD
$9,826 USD
View
Price last confirmed 7 days ago
B+
Retailer 12
-
$12,699 SGD
$9,930 USD
View
B+
Retailer 13
-
$12,870 SGD
€9,584 EUR
View
B
Retailer 14
-
$17,114 SGD
£10,537 GBP
View
Most Expensive
B
NZ Jewellers
c063fcbe-496c-47bf-aed7-fbff7226c26f · Oct 30
$20,539 SGD
$16,060 USD
View
14 more retailers have this diamond
Prices start from $9,222 SGDSave up to $11,317 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
$9,222 SGD