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Marquise|Natural|GIA

0.51ct I SI1 Marquise Natural Diamond

EX • I/SI1 • GIA 7561579444

Certificate GIA 7561579444

Diamond specifications and retailer prices

From $552 SGD
$432 USD
As of November 2, 2026
Save $1,923 SGD (78%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $2,476 SGD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 0.51ct natural marquise diamond

This 0.51ct natural marquise sits in the half to three-quarter carat band, graded I 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 7561579444. Listed at 12 retailers as of October 30, 2026, with prices from $552 to $2,476, a $1,923 spread on the same certified stone. NZ Jewellers lists it at $2,476. 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

0.51
Carat
I
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 7561579444
Dimensions7.90 × 4.15 × 2.67 mm
L/W Ratio1.90
Girdle conditionVery Thick
Top View
7.90 mm4.15 mm0.51 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 7561579444
Side View
Table 60.0%CrownGirdle: Slightly ThickPavilionCulet: NoneDepth 64.4%

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 2
Current: $2,476 SGD|Low: $552 SGD|High: $2,476 SGD|Avg: $1,114 SGD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 4$552 SGD
Retailer 2$589 SGD
Retailer 12$729 SGD
Retailer 9$895 SGD
Retailer 11$952 SGD
Retailer 3$958 SGD
Retailer 5$969 SGD
Retailer 6$971 SGD
Retailer 7$1,166 SGD
Retailer 8$1,218 SGD
Retailer 10$1,826 SGD
NZ Jewellers$2,476 SGD

17 data points across 12 retailers

12 retailers$552 SGD to $2,476 SGD

A
Cheapest Retailer
-
$552 SGD
$432 USD
Final sale: no returns
A
Retailer 2
-
$589 SGD
₹43,858 INR
View
Retailer 3
-
$729 SGD
$570 USD
View
Price last confirmed 15 days ago
B+
Retailer 4
-
$895 SGD
$700 USD
View
B+
Retailer 5
-
$952 SGD
$744 USD
View
B+
Retailer 6
-
$958 SGD
$749 USD
View
B+
Retailer 7
-
$969 SGD
£597 GBP
View
B+
Retailer 8
-
$971 SGD
£598 GBP
View
B+
Retailer 9
-
$1,166 SGD
€868 EUR
View
B
Retailer 10
-
$1,218 SGD
ZAR 15,391 ZAR
View
Retailer 11
-
$1,826 SGD
£1,124 GBP
View
Price last confirmed 7 days ago
Most Expensive
B
NZ Jewellers
32b23af8-fc48-47df-87b6-91c93d04c05e · Oct 30
$2,476 SGD
$1,936 USD
View
11 more retailers have this diamond
Prices start from $552 SGDSave up to $1,923 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
0.51ct Marquise
$552 SGD