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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 $2,504 AUD
SGD 2,377 SGD
As of October 31, 2026
Save $2,100 AUD (46%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $4,604 AUD 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 $2,504 to $4,604, a $2,100 spread on the same certified stone. Helzberg Diamonds lists it at $4,604. 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $4,604 AUD|Low: $2,504 AUD|High: $5,319 AUD|Avg: $3,223 AUD|-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 2, 2026
Retailer 10$2,504 AUD
Retailer 9$2,547 AUD
Retailer 7$2,569 AUD
Retailer 6$2,602 AUD
Retailer 8$2,612 AUD
Retailer 3$2,798 AUD
Retailer 5$2,815 AUD
Retailer 11$3,071 AUD
Retailer 12$3,319 AUD
Retailer 2$3,620 AUD
Retailer 4$4,204 AUD
Helzberg Diamonds$4,604 AUD

38 data points across 12 retailers

12 retailers$2,504 AUD to $4,604 AUD

A
Cheapest Retailer
-
$2,504 AUD
SGD 2,377 SGD
A
Retailer 2
-
$2,547 AUD
$1,789 USD
View
A
Retailer 3
-
$2,569 AUD
$1,804 USD
View
A
Retailer 4
-
$2,602 AUD
$1,828 USD
View
A
Retailer 5
-
$2,612 AUD
$1,835 USD
View
A
Retailer 6
-
$2,798 AUD
SGD 2,656 SGD
View
A
Retailer 7
-
$2,815 AUD
£1,557 GBP
View
A
Retailer 8
-
$3,071 AUD
$2,157 USD
View
A
Retailer 9
-
$3,319 AUD
$2,332 USD
View
A
Retailer 10
-
$3,620 AUD
€2,422 EUR
View
B+
Retailer 11
-
$4,204 AUD
$2,953 USD
View
Most Expensive
B+
Helzberg Diamonds
XZRNLMMHOMOOJ · Nov 1
$4,604 AUD
$3,234 USD
View
11 more retailers have this diamond
Prices start from $2,504 AUDSave up to $2,100 AUD

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
$2,504 AUD