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Marquise|Natural|GIA

1.00ct J I1 Marquise Natural Diamond

ID • J/I1 • GIA 3555532031

Certificate GIA 3555532031

Diamond specifications and retailer prices

From $1,573 SGD
$1,230 USD
As of November 2, 2026
Save $2,567 SGD (62%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $4,140 SGD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1ct natural marquise diamond

This 1ct natural marquise sits in the classic one-carat band, graded J colour (near-colourless) and I1 clarity (included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 3555532031. Listed at 7 retailers as of October 30, 2026, with prices from $1,573 to $4,140, a $2,567 spread on the same certified stone. NZ Jewellers lists it at $4,140. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
J
Colour
I1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceStrong
OriginNatural
Grading LabGIA
CertificateGIA 3555532031
Dimensions10.15 × 5.39 × 3.32 mm
L/W Ratio1.88
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Crystal, Feather
Top View
10.15 mm5.39 mm1.00 ctJ / I1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceStrong
CertificateGIA 3555532031
Side View
Table 62.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 61.6%

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: $4,140 SGD|Low: $1,363 SGD|High: $4,292 SGD|Avg: $1,975 SGD|+17.5%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 8$1,562 SGD
Retailer 4$1,573 SGD
Retailer 6$1,697 SGD
Retailer 7$1,697 SGD
Retailer 9$1,748 SGD
Retailer 2$1,776 SGD
Retailer 3$1,959 SGD
Retailer 10$2,133 SGD
Retailer 5$2,369 SGD
NZ Jewellers$4,140 SGD

32 data points across 10 retailers

7 retailers$1,573 SGD to $4,140 SGD

B+
Cheapest Retailer
-
$1,573 SGD
$1,230 USD
B+
Retailer 2
-
$1,697 SGD
$1,327 USD
View
B+
Retailer 3
-
$1,697 SGD
$1,327 USD
View
A
Retailer 4
-
$1,776 SGD
$1,389 USD
View
B+
Retailer 5
-
$1,959 SGD
$1,532 USD
View
B+
Retailer 6
-
$2,369 SGD
€1,764 EUR
View
Most Expensive
B
NZ Jewellers
d0a95a8f-449d-4369-9f2f-a7c98eb0f676 · Oct 30
$4,140 SGD
$3,237 USD
View
6 more retailers have this diamond
Prices start from $1,573 SGDSave up to $2,567 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
1.00ct Marquise
$1,573 SGD