Cushion|Natural|GIA

1.02ct I SI1 Cushion Natural Diamond

EX • I/SI1 • GIA 6431369280

Certificate GIA 6431369280

Diamond specifications and retailer prices

From $2,284 USD
As of October 30, 2026
Save $2,607 USD (53%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $4,891 USD at MOH London · As of November 1, 2026
View at MOH London

About this 1.02ct natural cushion diamond

This 1.02ct natural cushion 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 6431369280. Listed at 15 retailers as of October 30, 2026, with prices from $2,284 to $4,891, a $2,607 spread on the same certified stone. MOH London lists it at $4,891. 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
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6431369280
Dimensions5.77 × 5.50 × 3.76 mm
L/W Ratio1.05
Top View
5.77 mm5.50 mm1.02 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6431369280
Side View
Table 64.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 68.3%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $4,891 USD|Low: $2,235 USD|High: $4,949 USD|Avg: $2,945 USD|-1.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 9$2,235 USD
Retailer 3$2,284 USD
Retailer 7$2,285 USD
Retailer 11$2,439 USD
Retailer 10$2,529 USD
Retailer 2$2,723 USD
Retailer 4$2,984 USD
Retailer 8$3,128 USD
Retailer 6$3,269 USD
Retailer 5$3,431 USD
MOH London$4,891 USD

35 data points across 11 retailers

15 retailers$2,284 USD to $4,891 USD

Retailer 1
-
$2,235 USD
Price last confirmed 17 days ago
B+
Retailer 2
-
$2,284 USD
View
B+
Retailer 3
-
$2,285 USD
View
B+
Retailer 4
-
$2,439 USD
View
B+
Retailer 5
-
$2,529 USD
View
B+
Retailer 6
-
$2,723 USD
£2,144 GBP
View
B+
Retailer 7
-
$2,750 USD
View
B
Retailer 8
-
$2,900 USD
View
B
Retailer 9
-
$2,900 USD
View
B
Retailer 10
-
$2,984 USD
£2,350 GBP
View
B
Retailer 11
-
$2,990 USD
View
Retailer 12
-
$3,128 USD
A$4,812 AUD
View
Price last confirmed 24 days ago
B
Retailer 13
-
$3,269 USD
€3,113 EUR
View
B
Retailer 14
-
$3,431 USD
ZAR 55,430 ZAR
View
Most Expensive
B
MOH London
86EB5EB32 · Nov 1
$4,891 USD
£3,851 GBP
View
14 more retailers have this diamond
Prices start from $2,284 USDSave up to $2,607 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.

B+
1.02ct Cushion
$2,284 USD