Marquise|Natural|GIA

1.02ct I SI1 Marquise Natural Diamond

EX • I/SI1 • GIA 7558906414

Certificate GIA 7558906414

Diamond specifications and retailer prices

From $2,523 USD
As of November 3, 2026
Save $2,148 USD (46%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $4,671 USD 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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7558906414. Listed at 15 retailers as of November 3, 2026, with prices from $2,523 to $4,671, a $2,148 spread on the same certified stone. Helzberg Diamonds lists it at $4,671. 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
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.77°
Pavilion angle38.19°
OriginNatural
Grading LabGIA
CertificateGIA 7558906414
Dimensions9.86 × 5.17 × 3.20 mm
L/W Ratio1.91
Culet sizeNone
Top View
9.86 mm5.17 mm1.02 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7558906414
Side View
Table 59.0%Crown 39.77°Girdle: STK-THKPavilion 38.19°Culet: NDepth 61.9%

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: $4,671 USD|Low: $2,523 USD|High: $4,765 USD|Avg: $3,259 USD|-2.0%
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
November 5, 2026
Retailer 5$2,523 USD
Retailer 2$2,567 USD
Retailer 12$2,697 USD
Retailer 6$2,726 USD
Retailer 7$2,773 USD
Retailer 9$2,904 USD
Retailer 4$2,957 USD
Retailer 15$3,179 USD
Retailer 8$3,210 USD
Retailer 11$3,274 USD
Retailer 3$3,284 USD
Retailer 14$3,408 USD
Retailer 10$4,143 USD
Retailer 13$4,403 USD
Helzberg Diamonds$4,671 USD

37 data points across 15 retailers

15 retailers$2,523 USD to $4,671 USD

A
Cheapest Retailer
-
$2,523 USD
A
Retailer 2
-
$2,567 USD
View
B+
Retailer 3
-
$2,697 USD
View
B+
Retailer 4
-
$2,726 USD
View
B+
Retailer 5
-
$2,773 USD
View
B+
Retailer 6
-
$2,904 USD
View
B+
Retailer 7
-
$2,957 USD
View
B+
Retailer 8
-
$3,179 USD
View
B+
Retailer 9
-
$3,210 USD
View
B+
Retailer 10
-
$3,274 USD
View
B+
Retailer 11
-
$3,284 USD
View
B+
Retailer 12
-
$3,408 USD
View
B
Retailer 13
-
$4,143 USD
View
B
Retailer 14
-
$4,403 USD
View
Most Expensive
B
Helzberg Diamonds
XZRNLLOPGMKHK · Nov 3
$4,671 USD
View
14 more retailers have this diamond
Prices start from $2,523 USDSave up to $2,148 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
$2,523 USD