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Cushion|Natural|GIA

0.80ct D SI1 Cushion Natural Diamond

GD • D/SI1 • GIA 1539947637

Certificate GIA 1539947637

Diamond specifications and retailer prices

From $988 SGD
$773 USD
As of October 31, 2026
Save $697 SGD (41%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,685 SGD at GemTrove · As of October 31, 2026
View at GemTrove

About this 0.8ct natural cushion diamond

This 0.8ct natural cushion sits in the just-under-one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a standard cut grade stated by the retailer rather than the lab and certified by GIA 1539947637. Listed at 11 retailers as of October 31, 2026, with prices from $988 to $1,685, a $697 spread on the same certified stone. GemTrove lists it at $1,685. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.80
Carat
D
Colour
SI1
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1539947637
Dimensions5.27 × 5.01 × 3.47 mm
L/W Ratio1.05
Culet sizeNone
Key to symbols
Crystal
Top View
5.27 mm5.01 mm0.80 ctD / SI1
OriginNatural
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1539947637
Side View
Table 61.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 69.3%

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 31
Current: $1,685 SGD|Low: $920 SGD|High: $1,685 SGD|Avg: $1,312 SGD
GemTrove
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 10$988 SGD
Retailer 11$1,099 SGD
Retailer 4$1,188 SGD
Retailer 7$1,191 SGD
Retailer 2$1,226 SGD
Retailer 9$1,227 SGD
Retailer 8$1,230 SGD
Retailer 3$1,330 SGD
Retailer 5$1,330 SGD
Retailer 6$1,368 SGD
GemTrove$1,685 SGD

41 data points across 11 retailers

11 retailers$988 SGD to $1,685 SGD

A
Cheapest Retailer
-
$988 SGD
$773 USD
Final sale: no returns
A
Retailer 2
-
$1,099 SGD
MYR 3,502 MYR
View
A
Retailer 3
-
$1,188 SGD
$929 USD
View
A
Retailer 4
-
$1,191 SGD
$932 USD
View
A
Retailer 5
-
$1,226 SGD
£755 GBP
View
A
Retailer 6
-
$1,227 SGD
View
A
Retailer 7
-
$1,230 SGD
$962 USD
View
A
Retailer 8
-
$1,330 SGD
$1,040 USD
View
A
Retailer 9
-
$1,330 SGD
$1,040 USD
View
A
Retailer 10
-
$1,368 SGD
$1,070 USD
View
Most Expensive
B+
GemTrove
GT-N-00962046-98 · Oct 31
$1,685 SGD
A$2,028 AUD
View
10 more retailers have this diamond
Prices start from $988 SGDSave up to $697 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
0.80ct Cushion
$988 SGD