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Marquise|Natural|GIA

1.50ct G SI1 Marquise Natural Diamond

EX • G/SI1 • GIA 2566386329

Certificate GIA 2566386329

Diamond specifications and retailer prices

From $8,704 USD
SGD 11,762 SGD
As of October 31, 2026
Save $6,940 USD (44%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $15,644 USD at NZ Jewellers · As of October 30, 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 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 2566386329. Listed at 16 retailers as of October 30, 2026, with prices from $8,704 to $15,644, a $6,940 spread on the same certified stone. NZ Jewellers lists it at $15,644. 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
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2566386329
Dimensions11.08 × 5.84 × 3.77 mm
L/W Ratio1.90
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Needle, Indented Natural, Natural
Top View
11.08 mm5.84 mm1.50 ctG / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 2566386329
Side View
Table 57.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 64.6%

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: Oct 31
Current: $11,382 USD|Low: $7,360 USD|High: $14,660 USD|Avg: $10,213 USD|+0.3%
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
November 2, 2026
Retailer 5$7,360 USD
Retailer 3$8,704 USD
Retailer 13$9,020 USD
Retailer 4$9,092 USD
Retailer 12$9,117 USD
Retailer 10$9,169 USD
Retailer 9$9,799 USD
Retailer 6$10,073 USD
Retailer 7$10,289 USD
Retailer 11$10,929 USD
Retailer 1$11,382 USD
Retailer 2$11,957 USD
Retailer 14$12,808 USD
Retailer 8$14,660 USD

22 data points across 14 retailers

16 retailers$8,704 USD to $15,644 USD

Retailer 1
-
$7,360 USD
HK$57,500 HKD
Price last confirmed 12 days ago
Retailer 2
-
$7,928 USD
View
Price last confirmed 25 days ago
B+
Retailer 3
-
$8,704 USD
SGD 11,762 SGD
View
Retailer 4
-
$9,020 USD
View
Price last confirmed 13 days ago
Retailer 5
-
$9,093 USD
View
Price last confirmed 21 days ago
B+
Retailer 6
-
$9,117 USD
CA$12,663 CAD
View
B+
Retailer 7
-
$9,169 USD
View
B+
Retailer 8
-
$9,799 USD
View
Retailer 9
-
$10,073 USD
View
Price last confirmed 15 days ago
B
Retailer 10
-
$10,289 USD
£8,102 GBP
View
B
Retailer 11
-
$10,929 USD
View
B
Retailer 12
-
$11,382 USD
€10,840 EUR
View
Retailer 13
-
$11,957 USD
ZAR 193,167 ZAR
View
Price last confirmed 15 days ago
Retailer 14
-
$12,808 USD
£10,085 GBP
View
Price last confirmed 13 days ago
B
Retailer 15
-
$14,660 USD
£11,543 GBP
View
Most Expensive
B
NZ Jewellers
11a2c466-eaa3-4932-8d53-641ef062e906 · Oct 30
$15,644 USD
View
15 more retailers have this diamond
Prices start from $8,704 USDSave up to $6,940 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
$8,704 USD