CaratHunter
Plans
Marquise|Natural|GIA

1.50ct K SI1 Marquise Natural Diamond

EX • K/SI1 • GIA 7552689884

Certificate GIA 7552689884

Diamond specifications and retailer prices

From $5,255 USD
As of November 7, 2026
Save $5,337 USD (50%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $10,592 USD at NZ Jewellers · As of November 7, 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 K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7552689884. Listed at 14 retailers as of November 7, 2026, with prices from $5,255 to $10,592, a $5,337 spread on the same certified stone. NZ Jewellers lists it at $10,592. 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
K
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 7552689884
Dimensions11.31 × 5.96 × 3.71 mm
L/W Ratio1.90
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Crystal, Cloud, Needle
Top View
11.31 mm5.96 mm1.50 ctK / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceMedium
CertificateGIA 7552689884
Side View
Table 61.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 62.3%

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 7
Current: $10,592 USD|Low: $4,198 USD|High: $10,592 USD|Avg: $6,397 USD
NZ Jewellers
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
November 7, 2026
Retailer 8$4,198 USD
Retailer 5$4,506 USD
Retailer 4$5,255 USD
Retailer 7$5,280 USD
Retailer 6$5,400 USD
Retailer 15$5,476 USD
Retailer 2$5,601 USD
Retailer 13$5,887 USD
Retailer 14$5,897 USD
Retailer 11$6,073 USD
Retailer 16$6,107 USD
Retailer 12$6,565 USD
Retailer 9$7,946 USD
Retailer 3$9,266 USD
Retailer 10$9,279 USD
NZ Jewellers$10,592 USD

36 data points across 16 retailers

14 retailers$5,255 USD to $10,592 USD

Retailer 1
-
$4,198 USD
Price last confirmed 57 days ago
B+
Retailer 2
-
$5,255 USD
View
B+
Retailer 3
-
$5,400 USD
View
B+
Retailer 4
-
$5,476 USD
View
B+
Retailer 5
-
$5,601 USD
View
B+
Retailer 6
-
$5,887 USD
View
B+
Retailer 7
-
$5,897 USD
View
B+
Retailer 8
-
$6,073 USD
View
B+
Retailer 9
-
$6,107 USD
View
B
Retailer 10
-
$6,565 USD
View
B
Retailer 11
-
$7,946 USD
View
B
Retailer 12
-
$9,266 USD
View
B
Retailer 13
-
$9,279 USD
View
Most Expensive
C
NZ Jewellers
f5cff27c-82d7-46fb-b7b7-8c8a554e79ec · Nov 7
$10,592 USD
View
13 more retailers have this diamond
Prices start from $5,255 USDSave up to $5,337 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
$5,255 USD