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Cushion|Natural|GIA

1.00ct E SI1 Cushion Natural Diamond

EX • E/SI1 • GIA 6551048681

Certificate GIA 6551048681

Diamond specifications and retailer prices

From $1,715 USD
HK$13,400 HKD
As of October 29, 2026
Save $2,317 USD (57%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $4,032 USD at MOH London · As of October 25, 2026
View at MOH London

About this 1ct natural cushion diamond

This 1ct natural cushion sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6551048681. Listed at 17 retailers as of October 25, 2026, with prices from $1,715 to $4,032, a $2,317 spread on the same certified stone. MOH London lists it at $4,032. 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
E
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6551048681
Dimensions6.63 × 5.10 × 3.51 mm
L/W Ratio1.30
Top View
6.63 mm5.10 mm1.00 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryGood
FluorescenceNone
CertificateGIA 6551048681
Side View
Table 62.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 68.7%

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 29
Current: $4,032 USD|Low: $1,715 USD|High: $4,187 USD|Avg: $2,549 USD|-3.4%
MOH London
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
Retailer 16
October 29, 2026
Retailer 16$1,715 USD
Retailer 9$1,837 USD
Retailer 7$2,056 USD
Retailer 5$2,120 USD
Retailer 3$2,148 USD
Retailer 13$2,210 USD
Retailer 10$2,255 USD
Retailer 15$2,298 USD
Retailer 6$2,400 USD
Retailer 14$2,438 USD
Retailer 4$2,511 USD
Retailer 2$2,515 USD
Retailer 12$2,799 USD
Retailer 11$2,867 USD
Retailer 8$2,907 USD
MOH London$4,032 USD

24 data points across 16 retailers

17 retailers$1,715 USD to $4,032 USD

A
Cheapest Retailer
-
$1,715 USD
HK$13,400 HKD
A
Retailer 2
-
$1,837 USD
₹174,937 INR
View
A
Retailer 3
-
$2,056 USD
SGD 2,779 SGD
View
A
Retailer 4
-
$2,120 USD
View
Final sale: no returns
A
Retailer 5
-
$2,148 USD
View
B+
Retailer 6
-
$2,210 USD
View
B+
Retailer 7
-
$2,214 USD
View
A
Retailer 8
-
$2,255 USD
£1,776 GBP
View
B+
Retailer 9
-
$2,298 USD
View
B+
Retailer 10
-
$2,400 USD
SGD 3,243 SGD
View
B+
Retailer 11
-
$2,438 USD
View
B+
Retailer 12
-
$2,511 USD
View
B+
Retailer 13
-
$2,515 USD
£1,980 GBP
View
B+
Retailer 14
-
$2,799 USD
ZAR 45,211 ZAR
View
B+
Retailer 15
-
$2,867 USD
€2,730 EUR
View
B+
Retailer 16
-
$2,907 USD
A$4,473 AUD
View
Price last confirmed 21 days ago
Most Expensive
B
MOH London
100B3F5F7 · Oct 25
$4,032 USD
£3,175 GBP
View
16 more retailers have this diamond
Prices start from $1,715 USDSave up to $2,317 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
1.00ct Cushion
$1,715 USD