Marquise|Natural|GIA

1.50ct G SI1 Marquise Natural Diamond

EX • G/SI1 • GIA 2566386329

Certificate GIA 2566386329

Diamond specifications and retailer prices

From $15,469 NZD
SGD 11,762 SGD
As of October 31, 2026
Save $12,335 NZD (44%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $27,804 NZD 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 17 retailers as of October 30, 2026, with prices from $15,469 to $27,804, a $12,335 spread on the same certified stone. NZ Jewellers lists it at $27,804. 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
Colour
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: $18,756 NZD|Low: $13,081 NZD|High: $26,055 NZD|Avg: $18,155 NZD
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
November 2, 2026
Retailer 6$13,081 NZD
Retailer 4$15,469 NZD
Retailer 15$16,031 NZD
Retailer 5$16,159 NZD
Retailer 14$16,204 NZD
Retailer 12$16,295 NZD
Retailer 11$17,416 NZD
Retailer 7$17,903 NZD
Retailer 9$18,287 NZD
Retailer 1$18,756 NZD
Retailer 13$19,424 NZD
Retailer 8$20,229 NZD
Retailer 3$21,251 NZD
Retailer 2$22,764 NZD
Retailer 10$26,055 NZD

22 data points across 15 retailers

17 retailers$15,469 NZD to $27,804 NZD

Retailer 1
-
$13,081 NZD
HK$57,500 HKD
Price last confirmed 13 days ago
Retailer 2
-
$14,090 NZD
$7,928 USD
View
Price last confirmed 25 days ago
B+
Retailer 3
-
$15,469 NZD
SGD 11,762 SGD
View
Retailer 4
-
$16,031 NZD
$9,020 USD
View
Price last confirmed 13 days ago
Retailer 5
-
$16,161 NZD
$9,093 USD
View
Price last confirmed 21 days ago
B+
Retailer 6
-
$16,204 NZD
CA$12,663 CAD
View
B+
Retailer 7
-
$16,295 NZD
$9,169 USD
View
B+
Retailer 8
-
$17,416 NZD
$9,799 USD
View
Retailer 9
-
$17,903 NZD
$10,073 USD
View
Price last confirmed 15 days ago
B
Retailer 10
-
$18,287 NZD
£8,102 GBP
View
B
Retailer 11
-
$18,756 NZD
$10,553 USD
View
B
Retailer 12
-
$19,424 NZD
$10,929 USD
View
B
Retailer 13
-
$20,229 NZD
€10,840 EUR
View
Retailer 14
-
$21,251 NZD
ZAR 193,167 ZAR
View
Price last confirmed 16 days ago
Retailer 15
-
$22,764 NZD
£10,085 GBP
View
Price last confirmed 14 days ago
B
Retailer 16
-
$26,055 NZD
£11,543 GBP
View
Most Expensive
B
NZ Jewellers
11a2c466-eaa3-4932-8d53-641ef062e906 · Oct 30
$27,804 NZD
$15,644 USD
View
16 more retailers have this diamond
Prices start from $15,469 NZDSave up to $12,335 NZD

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
$15,469 NZD