Cushion|Natural|GIA

1.00ct I SI1 Cushion Natural Diamond

EX • I/SI1 • GIA 6372934021

Certificate GIA 6372934021

Diamond specifications and retailer prices

From $2,148 USD
As of November 6, 2026
Save $995 USD (32%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $3,143 USD at Yorxs · As of November 6, 2026
View at Yorxs

About this 1ct natural cushion diamond

This 1ct 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 6372934021. Listed at 17 retailers as of November 6, 2026, with prices from $2,148 to $3,143, a $995 spread on the same certified stone. Yorxs lists it at $3,143. 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

1.00
Carat
I
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6372934021
Dimensions5.62 × 5.39 × 3.71 mm
L/W Ratio1.04
Top View
5.62 mm5.39 mm1.00 ctI / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 6372934021
Side View
Table 64.0%CrownGirdle: MED-MEDPavilionCulet: NoneDepth 68.9%

Caratlytics Score

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

Price History

Last verified: Nov 6
Current: $2,288 USD|Low: $2,088 USD|High: $3,150 USD|Avg: $2,460 USD|+0.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Yorxs
November 6, 2026
Retailer 7$2,088 USD
Retailer 3$2,148 USD
Retailer 6$2,283 USD
Retailer 1$2,288 USD
Retailer 5$2,516 USD
Retailer 4$2,611 USD
Retailer 2$2,643 USD
Yorxs$3,143 USD

44 data points across 8 retailers

17 retailers$2,148 USD to $3,143 USD

B+
Cheapest Retailer
-
$2,148 USD
B+
Retailer 2
-
$2,178 USD
View
B+
Retailer 3
-
$2,188 USD
View
B+
Retailer 4
-
$2,255 USD
View
B+
Retailer 5
-
$2,283 USD
View
B+
Retailer 6
-
$2,288 USD
View
B+
Retailer 7
-
$2,328 USD
View
B+
Retailer 8
-
$2,380 USD
View
B
Retailer 9
-
$2,516 USD
View
B
Retailer 10
-
$2,611 USD
View
B+
Retailer 11
-
$2,640 USD
View
B+
Retailer 12
-
$2,643 USD
View
B
Retailer 13
-
$2,660 USD
View
B
Retailer 14
-
$2,660 USD
View
B
Retailer 15
-
$2,661 USD
View
B
Retailer 16
-
$2,740 USD
View
Most Expensive
B
Yorxs
518485747 · Nov 6
$3,143 USD
€2,993 EUR
View
16 more retailers have this diamond
Prices start from $2,148 USDSave up to $995 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+
1.00ct Cushion
$2,148 USD