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Marquise|Natural|GIA

1.02ct I SI2 Marquise Natural Diamond

EX • I/SI2 • GIA 7566186883

Certificate GIA 7566186883

Diamond specifications and retailer prices

From $2,261 SGD
As of November 3, 2026
Save $1,882 SGD (45%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $4,143 SGD at Helzberg Diamonds · As of November 3, 2026
View at Helzberg Diamonds

About this 1.02ct natural marquise diamond

This 1.02ct natural marquise sits in the classic one-carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7566186883. Listed at 12 retailers as of November 3, 2026, with prices from $2,261 to $4,143, a $1,882 spread on the same certified stone. Helzberg Diamonds lists it at $4,143. 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

1.02
Carat
I
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.95°
Pavilion angle40.97°
OriginNatural
Grading LabGIA
CertificateGIA 7566186883
Dimensions10.09 × 5.33 × 3.29 mm
L/W Ratio1.89
Culet sizeNone
Top View
10.09 mm5.33 mm1.02 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7566186883
Side View
Table 61.0%Crown 36.95°Girdle: MED-THKPavilion 40.97°Culet: NoneDepth 61.6%

Caratlytics Score

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

Price History

Last verified: Nov 3
Current: $4,143 SGD|Low: $2,252 SGD|High: $4,620 SGD|Avg: $2,874 SGD|-10.3%
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 4, 2026
Retailer 6$2,261 SGD
Retailer 10$2,292 SGD
Retailer 8$2,311 SGD
Retailer 7$2,342 SGD
Retailer 9$2,351 SGD
Retailer 3$2,518 SGD
Retailer 2$2,529 SGD
Retailer 11$2,764 SGD
Retailer 12$2,986 SGD
Retailer 5$3,250 SGD
Retailer 4$3,783 SGD
Helzberg Diamonds$4,143 SGD

39 data points across 12 retailers

12 retailers$2,261 SGD to $4,143 SGD

A
Cheapest Retailer
-
$2,261 SGD
A
Retailer 2
-
$2,292 SGD
View
A
Retailer 3
-
$2,311 SGD
View
A
Retailer 4
-
$2,342 SGD
View
A
Retailer 5
-
$2,351 SGD
View
A
Retailer 6
-
$2,518 SGD
View
A
Retailer 7
-
$2,529 SGD
View
A
Retailer 8
-
$2,764 SGD
View
A
Retailer 9
-
$2,986 SGD
View
A
Retailer 10
-
$3,250 SGD
View
B+
Retailer 11
-
$3,783 SGD
View
Most Expensive
B+
Helzberg Diamonds
XZRNLMMHOMOOJ · Nov 3
$4,143 SGD
$3,234 USD
View
11 more retailers have this diamond
Prices start from $2,261 SGDSave up to $1,882 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
1.02ct Marquise
$2,261 SGD