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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 $11,082 SGD
HK$67,700 HKD
As of November 1, 2026
Save $9,582 SGD (46%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $20,664 SGD at NZ Jewellers · As of October 30, 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 October 30, 2026, with prices from $11,082 to $20,664, a $9,582 spread on the same certified stone. NZ Jewellers lists it at $20,664. 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: $20,664 SGD|Low: $11,082 SGD|High: $21,191 SGD|Avg: $14,686 SGD|-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 2, 2026
Retailer 11$11,082 SGD
Retailer 4$11,389 SGD
Retailer 9$11,740 SGD
Retailer 3$12,057 SGD
Retailer 10$13,084 SGD
Retailer 5$13,970 SGD
Retailer 6$14,555 SGD
Retailer 8$14,826 SGD
Retailer 2$15,054 SGD
Retailer 7$19,364 SGD
NZ Jewellers$20,664 SGD

22 data points across 11 retailers

11 retailers$11,082 SGD to $20,664 SGD

A
Cheapest Retailer
-
$11,082 SGD
HK$67,700 HKD
B+
Retailer 2
-
$11,389 SGD
₹848,110 INR
View
B+
Retailer 3
-
$11,740 SGD
A$14,123 AUD
View
B+
Retailer 4
-
$12,057 SGD
$9,428 USD
View
Final sale: no returns
B+
Retailer 5
-
$13,084 SGD
$10,231 USD
View
B+
Retailer 6
-
$13,970 SGD
£8,601 GBP
View
B+
Retailer 7
-
$14,555 SGD
£8,962 GBP
View
B+
Retailer 8
-
$14,826 SGD
$11,593 USD
View
B+
Retailer 9
-
$15,054 SGD
$11,771 USD
View
B
Retailer 10
-
$19,364 SGD
£11,922 GBP
View
Most Expensive
B
NZ Jewellers
8810df37-2833-48b8-ad3a-b2a5b86015f9 · Oct 30
$20,664 SGD
$16,158 USD
View
10 more retailers have this diamond
Prices start from $11,082 SGDSave up to $9,582 SGD

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
$11,082 SGD