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Marquise|Natural|GIA

1.51ct I SI2 Marquise Natural Diamond

EX • I/SI2 • GIA 7552019426

Certificate GIA 7552019426

Diamond specifications and retailer prices

From $7,836 USD
As of November 2, 2026
12 retailers carry this diamond
Most expensive: $10,618 USD at Wholesale Diamonds Direct · As of October 21, 2026
View at Wholesale 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 I 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 7552019426. Listed at 12 retailers as of November 2, 2026. 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
I
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.11°
Pavilion angle36.56°
OriginNatural
Grading LabGIA
CertificateGIA 7552019426
Dimensions11.46 × 6.06 × 3.61 mm
L/W Ratio1.89
Culet sizeNone
Top View
11.46 mm6.06 mm1.51 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7552019426
Side View
Table 59.0%Crown 38.11°Girdle: THN-VTKPavilion 36.56°Culet: NoneDepth 59.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 2
Current: $7,362 USD|Low: $5,991 USD|High: $10,934 USD|Avg: $7,331 USD|-2.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Wholesale Diamonds Direct
October 23, 2026
Retailer 4$5,991 USD
Retailer 2$6,039 USD
Retailer 3$6,142 USD
Retailer 8$6,151 USD
Retailer 5$6,291 USD
Retailer 6$6,623 USD
Retailer 9$6,950 USD
Retailer 11$7,303 USD
Retailer 10$7,346 USD
Retailer 1$7,362 USD
Retailer 7$8,239 USD
Retailer 12$9,540 USD
Wholesale Diamonds Direct$10,618 USD

30 data points across 13 retailers

12 retailers

Retailer 1
-
$5,991 USD
SGD 8,096 SGD
Price last confirmed 19 days ago
Retailer 2
-
$6,039 USD
View
Price last confirmed 11 days ago
Retailer 3
-
$6,142 USD
SGD 8,300 SGD
View
Price last confirmed 11 days ago
Retailer 4
-
$6,151 USD
View
Price last confirmed 12 days ago
Retailer 5
-
$6,291 USD
View
Price last confirmed 10 days ago
Retailer 6
-
$6,623 USD
£5,215 GBP
View
Price last confirmed 11 days ago
Retailer 7
-
$6,950 USD
View
Price last confirmed 11 days ago
Retailer 8
-
$7,346 USD
View
Price last confirmed 13 days ago
Retailer 9
-
$7,362 USD
€7,011 EUR
View
Price last confirmed 10 days ago
B+
Retailer 10
-
$7,836 USD
View
Retailer 11
-
$9,540 USD
View
Price last confirmed 13 days ago
Most Expensive
Wholesale Diamonds Direct
262936323 · Oct 21
$10,618 USD
View
Price last confirmed 11 days ago
11 more retailers have this diamond
Prices start from $7,836 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.

B+
1.51ct Marquise
$7,836 USD