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Cushion|Natural|GIA

1.02ct D SI1 Cushion Natural Diamond

EX • D/SI1 • GIA 1377937186

Certificate GIA 1377937186

Diamond specifications and retailer prices

From $3,488 SGD
$2,728 USD
As of October 31, 2026
Save $1,529 SGD (30%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $5,016 SGD at Yorxs · As of October 31, 2026
View at Yorxs

About this 1.02ct natural cushion diamond

This 1.02ct natural cushion sits in the classic one-carat band, graded D 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 1377937186. Listed at 16 retailers as of October 31, 2026, with prices from $3,488 to $5,016, a $1,529 spread on the same certified stone. Yorxs lists it at $5,016. 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
D
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 1377937186
Dimensions5.94 × 5.75 × 3.64 mm
L/W Ratio1.03
Culet sizeNone
Top View
5.94 mm5.75 mm1.02 ctD / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceMedium
CertificateGIA 1377937186
Side View
Table 60.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 63.3%

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: Oct 31
Current: $4,485 SGD|Low: $3,443 SGD|High: $5,803 SGD|Avg: $4,200 SGD|+3.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Yorxs
November 1, 2026
Retailer 6$3,443 SGD
Retailer 5$3,488 SGD
Retailer 3$3,567 SGD
Retailer 2$3,877 SGD
Retailer 7$3,932 SGD
Retailer 4$4,196 SGD
Retailer 1$4,485 SGD
Yorxs$5,016 SGD
Retailer 8$5,803 SGD

41 data points across 9 retailers

16 retailers$3,488 SGD to $5,016 SGD

B+
Cheapest Retailer
-
$3,488 SGD
$2,728 USD
B+
Retailer 2
-
$3,567 SGD
$2,790 USD
View
B+
Retailer 3
-
$3,638 SGD
$2,846 USD
View
B+
Retailer 4
-
$3,727 SGD
$2,915 USD
View
B+
Retailer 5
-
$3,877 SGD
View
B+
Retailer 6
-
$3,907 SGD
$3,057 USD
View
B
Retailer 7
-
$3,932 SGD
$3,076 USD
View
B+
Retailer 8
-
$4,196 SGD
$3,282 USD
View
B+
Retailer 9
-
$4,232 SGD
CA$4,598 CAD
View
B
Retailer 10
-
$4,423 SGD
$3,460 USD
View
B
Retailer 11
-
$4,423 SGD
$3,460 USD
View
B
Retailer 12
-
$4,485 SGD
£2,762 GBP
View
B
Retailer 13
-
$4,499 SGD
$3,519 USD
View
B
Retailer 14
-
$4,577 SGD
$3,580 USD
View
B
Retailer 15
-
$4,986 SGD
$3,900 USD
View
Most Expensive
B
Yorxs
518485380 · Oct 31
$5,016 SGD
€3,737 EUR
View
15 more retailers have this diamond
Prices start from $3,488 SGDSave up to $1,529 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.

B+
1.02ct Cushion
$3,488 SGD