Marquise|Natural|GIA

1.50ct H SI2 Marquise Natural Diamond

EX • H/SI2 • GIA 1555250273

Certificate GIA 1555250273

Diamond specifications and retailer prices

From $6,950 USD
As of November 4, 2026
Save $6,109 USD (47%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $15,757 USD at NZ Jewellers · As of September 21, 2026
View at NZ Jewellers

About this 1.5ct natural marquise diamond

This 1.5ct 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 1555250273. Listed at 20 retailers as of November 4, 2026, with a 88% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
H
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1555250273
Dimensions11.01 × 5.88 × 3.78 mm
L/W Ratio1.87
Girdle conditionVery Thick to Extremely Thick
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather, Needle, Natural
Top View
11.01 mm5.88 mm1.50 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1555250273
Side View
Table 57.0%CrownGirdle: VTK-ETKPavilionCulet: NoneDepth 64.3%

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 4
Current: $8,151 USD|Low: $6,240 USD|High: $13,288 USD|Avg: $8,554 USD
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
Retailer 16
Retailer 17
Retailer 18
November 7, 2026
Retailer 17$6,950 USD
Retailer 10$7,097 USD
Retailer 9$7,326 USD
Retailer 7$7,377 USD
Retailer 18$7,488 USD
Retailer 8$7,581 USD
Retailer 5$7,878 USD
Retailer 1$8,151 USD
Retailer 14$8,313 USD
Retailer 4$8,395 USD
Retailer 13$8,706 USD
Retailer 6$8,709 USD
Retailer 15$8,736 USD
Retailer 3$8,859 USD
Retailer 11$9,484 USD
Retailer 2$9,540 USD
Retailer 16$9,727 USD
Retailer 12$13,059 USD

20 data points across 18 retailers

20 retailers$6,950 USD to $13,059 USD

B+
Cheapest Retailer
-
$6,950 USD
B+
Retailer 2
-
$7,351 USD
View
B+
Retailer 3
-
$7,377 USD
View
B+
Retailer 4
-
$7,488 USD
View
B+
Retailer 5
-
$7,581 USD
View
B+
Retailer 6
-
$8,151 USD
View
B+
Retailer 7
-
$8,313 USD
View
B+
Retailer 8
-
$8,395 USD
View
Retailer 9
-
$8,535 USD
View
Price last confirmed 46 days ago
B+
Retailer 10
-
$8,706 USD
View
B
Retailer 11
-
$8,709 USD
View
B
Retailer 12
-
$8,736 USD
View
Retailer 13
-
$8,859 USD
View
Price last confirmed 15 days ago
B+
Retailer 14
-
$9,484 USD
View
B+
Retailer 15
-
$9,540 USD
View
B+
Retailer 16
-
$9,727 USD
View
Retailer 17
-
$9,848 USD
View
Price last confirmed 67 days ago
Retailer 18
-
$9,848 USD
View
Price last confirmed 46 days ago
B
Retailer 19
-
$13,059 USD
View
Most Expensive
NZ Jewellers
b22b4c0b-a7d7-4d7e-a4ae-a2a20d2ee5fd · Sep 21
$15,757 USD
View
Price last confirmed 47 days ago
19 more retailers have this diamond
Prices start from $6,950 USDSave up to $6,109 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
$6,950 USD