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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 $6,398 USD
SGD 8,646 SGD
As of November 1, 2026
Save $2,671 USD (29%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $9,069 USD 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 $6,398 to $9,069, a $2,671 spread on the same certified stone. Diamonds Direct lists it at $9,069. 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
Color
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $9,069 USD|Low: $6,398 USD|High: $9,536 USD|Avg: $7,631 USD|-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$6,398 USD
Retailer 7$6,527 USD
Retailer 13$6,660 USD
Retailer 10$6,685 USD
Retailer 8$6,770 USD
Retailer 9$6,863 USD
Retailer 6$7,059 USD
Retailer 12$7,150 USD
Retailer 4$7,993 USD
Retailer 3$8,052 USD
Retailer 5$8,118 USD
Retailer 2$8,150 USD
Diamonds Direct$9,069 USD

31 data points across 13 retailers

13 retailers$6,398 USD to $9,069 USD

A
Cheapest Retailer
-
$6,398 USD
SGD 8,646 SGD
A
Retailer 2
-
$6,527 USD
View
A
Retailer 3
-
$6,660 USD
SGD 9,000 SGD
View
A
Retailer 4
-
$6,685 USD
View
A
Retailer 5
-
$6,770 USD
View
A
Retailer 6
-
$6,863 USD
View
A
Retailer 7
-
$7,059 USD
£5,558 GBP
View
B+
Retailer 8
-
$7,150 USD
View
B+
Retailer 9
-
$7,993 USD
View
B+
Retailer 10
-
$8,052 USD
View
B+
Retailer 11
-
$8,118 USD
View
B+
Retailer 12
-
$8,150 USD
€7,762 EUR
View
Most Expensive
B
Diamonds Direct
1112251 · Nov 1
$9,069 USD
View
12 more retailers have this diamond
Prices start from $6,398 USDSave up to $2,671 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
$6,398 USD