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Marquise|Natural|GIA

1.51ct H SI2 Marquise Natural Diamond

EX • H/SI2 • GIA 6561292508

Certificate GIA 6561292508

Diamond specifications and retailer prices

From $8,182 SGD
As of November 1, 2026
Save $3,416 SGD (29%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $11,598 SGD at Diamonds Direct · As of November 1, 2026
View at Diamonds Direct

About this 1.51ct natural marquise diamond

This 1.51ct natural marquise sits in the one-and-a-half to two carat band, graded H 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 6561292508. Listed at 13 retailers as of November 1, 2026, with prices from $8,182 to $11,598, a $3,416 spread on the same certified stone. Diamonds Direct lists it at $11,598. 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
H
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.98°
Pavilion angle39.28°
OriginNatural
Grading LabGIA
CertificateGIA 6561292508
Dimensions11.22 × 5.91 × 3.76 mm
L/W Ratio1.90
Culet sizeNone
Top View
11.22 mm5.91 mm1.51 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6561292508
Side View
Table 59.0%Crown 39.98°Girdle: STK-THKPavilion 39.28°Culet: NoneDepth 63.7%

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: Nov 1
Current: $11,598 SGD|Low: $8,182 SGD|High: $12,196 SGD|Avg: $9,759 SGD|-4.9%
Diamonds Direct
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 2, 2026
Retailer 11$8,182 SGD
Retailer 7$8,347 SGD
Retailer 13$8,517 SGD
Retailer 10$8,549 SGD
Retailer 8$8,659 SGD
Retailer 9$8,777 SGD
Retailer 6$9,028 SGD
Retailer 12$9,144 SGD
Retailer 4$10,223 SGD
Retailer 3$10,298 SGD
Retailer 5$10,382 SGD
Retailer 2$10,423 SGD
Diamonds Direct$11,598 SGD

31 data points across 13 retailers

13 retailers$8,182 SGD to $11,598 SGD

A
Cheapest Retailer
-
$8,182 SGD
A
Retailer 2
-
$8,347 SGD
$6,527 USD
View
A
Retailer 3
-
$8,517 SGD
View
A
Retailer 4
-
$8,549 SGD
$6,685 USD
View
A
Retailer 5
-
$8,659 SGD
$6,770 USD
View
A
Retailer 6
-
$8,777 SGD
$6,863 USD
View
A
Retailer 7
-
$9,028 SGD
£5,558 GBP
View
B+
Retailer 8
-
$9,144 SGD
$7,150 USD
View
B+
Retailer 9
-
$10,223 SGD
$7,993 USD
View
B+
Retailer 10
-
$10,298 SGD
$8,052 USD
View
B+
Retailer 11
-
$10,382 SGD
$8,118 USD
View
B+
Retailer 12
-
$10,423 SGD
€7,762 EUR
View
Most Expensive
B
Diamonds Direct
1112251 · Nov 1
$11,598 SGD
$9,069 USD
View
12 more retailers have this diamond
Prices start from $8,182 SGDSave up to $3,416 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
$8,182 SGD