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Marquise|Natural|GIA

1.51ct G SI1 Marquise Natural Diamond

EX • G/SI1 • GIA 6562577541

Certificate GIA 6562577541

Diamond specifications and retailer prices

From $15,401 NZD
HK$67,700 HKD
As of November 1, 2026
Save $13,316 NZD (46%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $28,718 NZD at NZ Jewellers · As of November 3, 2026
View at NZ Jewellers

About this 1.51ct natural marquise diamond

This 1.51ct 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 6562577541. Listed at 11 retailers as of November 1, 2026, with prices from $15,401 to $28,718, a $13,316 spread on the same certified stone. NZ Jewellers lists it at $28,718. 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

1.51
Carat
G
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6562577541
Dimensions10.91 × 5.91 × 3.75 mm
L/W Ratio1.85
Girdle conditionVery Thick
Culet sizeNone
Key to symbols
Feather, Twinning Wisp, Crystal, Needle
Top View
10.91 mm5.91 mm1.51 ctG / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6562577541
Side View
Table 61.0%CrownGirdle: Very ThickPavilionCulet: NoneDepth 63.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $28,718 NZD|Low: $15,401 NZD|High: $29,450 NZD|Avg: $20,386 NZD|-2.5%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 3, 2026
Retailer 11$15,401 NZD
Retailer 5$15,827 NZD
Retailer 9$16,316 NZD
Retailer 3$16,756 NZD
Retailer 10$18,184 NZD
Retailer 6$19,414 NZD
Retailer 2$20,397 NZD
Retailer 8$20,604 NZD
Retailer 4$20,921 NZD
Retailer 7$26,910 NZD
NZ Jewellers$28,718 NZD

23 data points across 11 retailers

11 retailers$15,401 NZD to $28,718 NZD

A
Cheapest Retailer
-
$15,401 NZD
HK$67,700 HKD
B+
Retailer 2
-
$15,827 NZD
₹848,110 INR
View
B+
Retailer 3
-
$16,316 NZD
A$14,123 AUD
View
B+
Retailer 4
-
$16,756 NZD
$9,428 USD
View
Final sale: no returns
B+
Retailer 5
-
$18,184 NZD
$10,231 USD
View
B+
Retailer 6
-
$19,414 NZD
£8,601 GBP
View
B+
Retailer 7
-
$20,397 NZD
£9,037 GBP
View
B+
Retailer 8
-
$20,604 NZD
$11,593 USD
View
B+
Retailer 9
-
$20,921 NZD
$11,771 USD
View
B
Retailer 10
-
$26,910 NZD
£11,922 GBP
View
Most Expensive
B
NZ Jewellers
8810df37-2833-48b8-ad3a-b2a5b86015f9 · Nov 3
$28,718 NZD
$16,158 USD
View
10 more retailers have this diamond
Prices start from $15,401 NZDSave up to $13,316 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.

A
1.51ct Marquise
$15,401 NZD