Marquise|Natural|GIA

1.50ct G SI1 Marquise Natural Diamond

EX • G/SI1 • GIA 2564368871

Certificate GIA 2564368871

Diamond specifications and retailer prices

From $9,479 USD
SGD 12,810 SGD
As of November 1, 2026
Save $7,512 USD (44%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $16,991 USD at With Clarity · As of November 2, 2026
View at With Clarity

About this 1.5ct natural marquise diamond

This 1.5ct natural marquise sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2564368871. Listed at 16 retailers as of November 1, 2026, with prices from $9,479 to $16,991, a $7,512 spread on the same certified stone. With Clarity lists it at $16,991. 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

1.50
Carat
G
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle39.9°
Pavilion angle39.78°
OriginNatural
Grading LabGIA
CertificateGIA 2564368871
Dimensions11.76 × 5.65 × 3.59 mm
L/W Ratio2.08
Culet sizeNone
Top View
11.76 mm5.65 mm1.50 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2564368871
Side View
Table 58.0%Crown 39.9°Girdle: STK-VTKPavilion 39.78°Culet: NDepth 63.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $10,579 USD|Low: $9,479 USD|High: $16,991 USD|Avg: $11,680 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
Retailer 13
Retailer 14
Retailer 15
With Clarity
November 3, 2026
Retailer 6$9,479 USD
Retailer 2$9,950 USD
Retailer 10$10,140 USD
Retailer 7$10,212 USD
Retailer 11$10,262 USD
Retailer 15$10,290 USD
Retailer 14$10,480 USD
Retailer 4$10,490 USD
Retailer 1$10,579 USD
Retailer 5$12,074 USD
Retailer 8$12,112 USD
Retailer 13$12,190 USD
Retailer 12$12,447 USD
Retailer 9$13,975 USD
Retailer 3$14,902 USD
With Clarity$16,991 USD

30 data points across 16 retailers

16 retailers$9,479 USD to $16,991 USD

B+
Cheapest Retailer
-
$9,479 USD
SGD 12,810 SGD
B+
Retailer 2
-
$9,950 USD
View
B+
Retailer 3
-
$10,140 USD
View
B+
Retailer 4
-
$10,212 USD
View
B+
Retailer 5
-
$10,262 USD
SGD 13,868 SGD
View
B+
Retailer 6
-
$10,290 USD
View
B+
Retailer 7
-
$10,480 USD
View
B+
Retailer 8
-
$10,490 USD
View
B+
Retailer 9
-
$10,579 USD
£8,330 GBP
View
B
Retailer 10
-
$12,074 USD
View
B
Retailer 11
-
$12,112 USD
€11,535 EUR
View
B
Retailer 12
-
$12,190 USD
View
B
Retailer 13
-
$12,447 USD
View
Price last confirmed 7 days ago
B
Retailer 14
-
$13,975 USD
View
B
Retailer 15
-
$14,902 USD
View
Most Expensive
B
With Clarity
2564368871 · Nov 2
$16,991 USD
View
15 more retailers have this diamond
Prices start from $9,479 USDSave up to $7,512 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+
1.50ct Marquise
$9,479 USD