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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 $2,198 SGD
HK$13,400 HKD
As of October 29, 2026
Save $2,970 SGD (57%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $5,168 SGD 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 $2,198 to $5,168, a $2,970 spread on the same certified stone. MOH London lists it at $5,168. 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
Colour
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: $5,168 SGD|Low: $2,198 SGD|High: $5,367 SGD|Avg: $3,260 SGD|-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 30, 2026
Retailer 16$2,198 SGD
Retailer 10$2,354 SGD
Retailer 7$2,636 SGD
Retailer 5$2,717 SGD
Retailer 3$2,753 SGD
Retailer 13$2,833 SGD
Retailer 2$2,882 SGD
Retailer 15$2,945 SGD
Retailer 6$3,076 SGD
Retailer 14$3,124 SGD
Retailer 4$3,218 SGD
Retailer 9$3,233 SGD
Retailer 12$3,587 SGD
Retailer 11$3,674 SGD
Retailer 8$3,726 SGD
MOH London$5,168 SGD

24 data points across 16 retailers

17 retailers$2,198 SGD to $5,168 SGD

A
Cheapest Retailer
-
$2,198 SGD
HK$13,400 HKD
A
Retailer 2
-
$2,354 SGD
₹174,937 INR
View
A
Retailer 3
-
$2,636 SGD
View
A
Retailer 4
-
$2,717 SGD
$2,120 USD
View
Final sale: no returns
A
Retailer 5
-
$2,753 SGD
$2,148 USD
View
B+
Retailer 6
-
$2,833 SGD
$2,210 USD
View
B+
Retailer 7
-
$2,838 SGD
$2,214 USD
View
A
Retailer 8
-
$2,882 SGD
£1,771 GBP
View
B+
Retailer 9
-
$2,945 SGD
$2,298 USD
View
B+
Retailer 10
-
$3,076 SGD
View
B+
Retailer 11
-
$3,124 SGD
$2,438 USD
View
B+
Retailer 12
-
$3,218 SGD
$2,511 USD
View
B+
Retailer 13
-
$3,233 SGD
£1,986 GBP
View
B+
Retailer 14
-
$3,587 SGD
ZAR 45,211 ZAR
View
B+
Retailer 15
-
$3,674 SGD
€2,730 EUR
View
Retailer 16
-
$3,726 SGD
A$4,473 AUD
View
Price last confirmed 22 days ago
Most Expensive
B
MOH London
100B3F5F7 · Oct 25
$5,168 SGD
£3,175 GBP
View
16 more retailers have this diamond
Prices start from $2,198 SGDSave up to $2,970 SGD

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
$2,198 SGD