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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 $1,759 USD
SGD 2,377 SGD
As of October 31, 2026
Save $1,475 USD (46%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $3,234 USD at Helzberg Diamonds · As of November 1, 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 October 31, 2026, with prices from $1,759 to $3,234, a $1,475 spread on the same certified stone. Helzberg Diamonds lists it at $3,234. 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
Color
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $3,234 USD|Low: $1,759 USD|High: $3,736 USD|Avg: $2,265 USD|-13.4%
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 1, 2026
Retailer 10$1,759 USD
Retailer 9$1,789 USD
Retailer 7$1,804 USD
Retailer 5$1,828 USD
Retailer 8$1,835 USD
Retailer 3$1,965 USD
Retailer 2$1,994 USD
Retailer 11$2,157 USD
Retailer 12$2,332 USD
Retailer 6$2,541 USD
Retailer 4$2,953 USD
Helzberg Diamonds$3,234 USD

38 data points across 12 retailers

12 retailers$1,759 USD to $3,234 USD

A
Cheapest Retailer
-
$1,759 USD
SGD 2,377 SGD
A
Retailer 2
-
$1,789 USD
View
A
Retailer 3
-
$1,804 USD
View
A
Retailer 4
-
$1,828 USD
View
A
Retailer 5
-
$1,835 USD
View
A
Retailer 6
-
$1,965 USD
SGD 2,656 SGD
View
A
Retailer 7
-
$1,994 USD
£1,570 GBP
View
A
Retailer 8
-
$2,157 USD
View
A
Retailer 9
-
$2,332 USD
View
A
Retailer 10
-
$2,541 USD
€2,420 EUR
View
B+
Retailer 11
-
$2,953 USD
View
Most Expensive
B+
Helzberg Diamonds
XZRNLMMHOMOOJ · Nov 1
$3,234 USD
View
11 more retailers have this diamond
Prices start from $1,759 USDSave up to $1,475 USD

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
$1,759 USD