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Marquise|Natural|GIA

1.02ct G SI2 Marquise Natural Diamond

EX • G/SI2 • GIA 5563526930

Certificate GIA 5563526930

Diamond specifications and retailer prices

From $2,606 USD
As of October 31, 2026
Save $2,351 USD (47%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $4,957 USD at Helzberg Diamonds · As of October 31, 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 G 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 5563526930. Listed at 13 retailers as of October 31, 2026, with prices from $2,606 to $4,957, a $2,351 spread on the same certified stone. Helzberg Diamonds lists it at $4,957. 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
G
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.63°
Pavilion angle41.82°
OriginNatural
Grading LabGIA
CertificateGIA 5563526930
Dimensions10.01 × 5.29 × 3.41 mm
L/W Ratio1.89
Culet sizeNone
Top View
10.01 mm5.29 mm1.02 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5563526930
Side View
Table 57.0%Crown 35.63°Girdle: VTN-THKPavilion 41.82°Culet: NoneDepth 64.5%

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: $4,957 USD|Low: $2,606 USD|High: $4,957 USD|Avg: $3,382 USD
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 8$2,606 USD
Retailer 12$2,628 USD
Retailer 10$2,834 USD
Retailer 7$2,880 USD
Retailer 5$3,048 USD
Retailer 4$3,139 USD
Retailer 9$3,361 USD
Retailer 3$3,456 USD
Retailer 2$3,481 USD
Retailer 6$3,615 USD
Retailer 11$4,665 USD
Helzberg Diamonds$4,957 USD

25 data points across 12 retailers

13 retailers$2,606 USD to $4,957 USD

A
Cheapest Retailer
-
$2,606 USD
A
Retailer 2
-
$2,628 USD
View
A
Retailer 3
-
$2,654 USD
SGD 3,587 SGD
View
A
Retailer 4
-
$2,834 USD
View
A
Retailer 5
-
$2,880 USD
View
A
Retailer 6
-
$3,048 USD
£2,400 GBP
View
B+
Retailer 7
-
$3,139 USD
SGD 4,242 SGD
View
B+
Retailer 8
-
$3,361 USD
View
B+
Retailer 9
-
$3,456 USD
View
B+
Retailer 10
-
$3,481 USD
€3,315 EUR
View
B+
Retailer 11
-
$3,615 USD
View
B
Retailer 12
-
$4,665 USD
View
Most Expensive
B
Helzberg Diamonds
XZRLLMJLIMPJG · Oct 31
$4,957 USD
View
12 more retailers have this diamond
Prices start from $2,606 USDSave up to $2,351 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
$2,606 USD