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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 $7,211 USD
As of October 28, 2026
Save $8,849 USD (55%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $16,060 USD 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 $7,211 to $16,060, a $8,849 spread on the same certified stone. NZ Jewellers lists it at $16,060. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: $16,060 USD|Low: $7,211 USD|High: $16,060 USD|Avg: $9,725 USD
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 2, 2026
Retailer 5$7,211 USD
Retailer 4$7,861 USD
Retailer 13$7,968 USD
Retailer 15$8,355 USD
Retailer 10$8,979 USD
Retailer 8$8,990 USD
Retailer 12$8,997 USD
Retailer 16$9,049 USD
Retailer 17$9,319 USD
Retailer 7$9,610 USD
Retailer 14$9,610 USD
Retailer 3$9,826 USD
Retailer 6$9,930 USD
Retailer 9$10,002 USD
Retailer 2$10,063 USD
Retailer 11$13,382 USD
NZ Jewellers$16,060 USD

20 data points across 17 retailers

15 retailers$7,211 USD to $16,060 USD

A
Cheapest Retailer
-
$7,211 USD
A
Retailer 2
-
$7,861 USD
View
A
Retailer 3
-
$7,968 USD
CA$11,067 CAD
View
B+
Retailer 4
-
$8,355 USD
View
B+
Retailer 5
-
$8,979 USD
£7,070 GBP
View
B+
Retailer 6
-
$8,997 USD
View
B+
Retailer 7
-
$9,049 USD
View
B+
Retailer 8
-
$9,319 USD
View
B+
Retailer 9
-
$9,610 USD
View
B+
Retailer 10
-
$9,610 USD
View
B+
Retailer 11
-
$9,826 USD
View
B+
Retailer 12
-
$9,930 USD
View
B+
Retailer 13
-
$10,063 USD
€9,584 EUR
View
B
Retailer 14
-
$13,382 USD
£10,537 GBP
View
Most Expensive
B
NZ Jewellers
c063fcbe-496c-47bf-aed7-fbff7226c26f · Oct 30
$16,060 USD
View
14 more retailers have this diamond
Prices start from $7,211 USDSave up to $8,849 USD

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
$7,211 USD