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Cushion|Natural|GIA

1.30ct I SI1 Cushion Natural Diamond

EX • I/SI1 • GIA 6421716473

Certificate GIA 6421716473

Diamond specifications and retailer prices

From $2,246 USD
As of October 29, 2026
Save $2,191 USD (49%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $4,437 USD at MOH London · As of October 29, 2026
View at MOH London

About this 1.3ct natural cushion diamond

This 1.3ct natural cushion sits in the one-and-a-quarter to one-and-a-half 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 6421716473. Listed at 12 retailers as of October 29, 2026, with prices from $2,246 to $4,437, a $2,191 spread on the same certified stone. MOH London lists it at $4,437. 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

1.30
Carat
I
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6421716473
Dimensions6.01 × 5.94 × 4.12 mm
L/W Ratio1.01
Top View
6.01 mm5.94 mm1.30 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6421716473
Side View
Table 58.0%CrownGirdle: THK-ETKPavilionCulet: NoneDepth 69.3%

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: Oct 29
Current: $4,437 USD|Low: $2,246 USD|High: $4,468 USD|Avg: $2,826 USD|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 10$2,246 USD
Retailer 5$2,258 USD
Retailer 8$2,496 USD
Retailer 9$2,496 USD
Retailer 11$2,516 USD
Retailer 6$2,516 USD
Retailer 2$2,718 USD
Retailer 3$2,740 USD
Retailer 4$2,977 USD
Retailer 7$3,661 USD
MOH London$4,437 USD

39 data points across 11 retailers

12 retailers$2,246 USD to $4,437 USD

A
Cheapest Retailer
-
$2,246 USD
A
Retailer 2
-
$2,258 USD
View
A
Retailer 3
-
$2,496 USD
View
A
Retailer 4
-
$2,496 USD
View
A
Retailer 5
-
$2,516 USD
CA$3,494 CAD
View
A
Retailer 6
-
$2,516 USD
View
A
Retailer 7
-
$2,660 USD
View
A
Retailer 8
-
$2,660 USD
View
A
Retailer 9
-
$2,718 USD
£2,140 GBP
View
A
Retailer 10
-
$2,740 USD
View
B+
Retailer 11
-
$2,977 USD
€2,835 EUR
View
Most Expensive
B
MOH London
38CB6E673 · Oct 29
$4,437 USD
£3,494 GBP
View
11 more retailers have this diamond
Prices start from $2,246 USDSave up to $2,191 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
1.30ct Cushion
$2,246 USD