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Marquise|Natural|GIA

0.85ct D SI1 Marquise Natural Diamond

EX • D/SI1 • GIA 6315197958

Shape and cutting style on the report: Marquise brilliant

Certificate GIA 6315197958

Diamond specifications and retailer prices

From $2,108 SGD
$1,649 USD
As of November 1, 2026
Save $3,532 SGD (63%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $5,640 SGD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 0.85ct natural marquise diamond

This 0.85ct natural marquise sits in the just-under-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 6315197958. Listed at 13 retailers as of October 30, 2026, with prices from $2,108 to $5,640, a $3,532 spread on the same certified stone. NZ Jewellers lists it at $5,640. 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

0.85
Carat
D
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceStrong
OriginNatural
Grading LabGIA
CertificateGIA 6315197958
Dimensions9.86 × 5.51 × 2.67 mm
L/W Ratio1.79
Top View
9.86 mm5.51 mm0.85 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceStrong
CertificateGIA 6315197958
Side View
Table 63.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 48.4%

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: Nov 1
Current: $5,640 SGD|Low: $2,129 SGD|High: $5,640 SGD|Avg: $3,076 SGD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 7$2,129 SGD
Retailer 10$2,313 SGD
Retailer 11$2,384 SGD
Retailer 9$2,419 SGD
Retailer 2$2,571 SGD
Retailer 3$2,668 SGD
Retailer 8$3,018 SGD
Retailer 6$3,158 SGD
Retailer 5$3,444 SGD
Retailer 4$4,052 SGD
NZ Jewellers$5,640 SGD

45 data points across 11 retailers

13 retailers$2,108 SGD to $5,640 SGD

A
Cheapest Retailer
-
$2,108 SGD
$1,649 USD
A
Retailer 2
-
$2,129 SGD
$1,665 USD
View
A
Retailer 3
-
$2,313 SGD
$1,809 USD
View
A
Retailer 4
-
$2,313 SGD
$1,809 USD
View
A
Retailer 5
-
$2,384 SGD
$1,865 USD
View
A
Retailer 6
-
$2,419 SGD
$1,892 USD
View
A
Retailer 7
-
$2,571 SGD
£1,584 GBP
View
A
Retailer 8
-
$2,668 SGD
$2,087 USD
View
Retailer 9
-
$3,018 SGD
A$3,632 AUD
View
Price last confirmed 27 days ago
B+
Retailer 10
-
$3,158 SGD
€2,353 EUR
View
B+
Retailer 11
-
$3,444 SGD
ZAR 43,527 ZAR
View
B+
Retailer 12
-
$4,052 SGD
£2,496 GBP
View
Most Expensive
B
NZ Jewellers
a7e9c3d9-a65e-4b59-bc9d-720bb12a0712 · Oct 30
$5,640 SGD
$4,412 USD
View
12 more retailers have this diamond
Prices start from $2,108 SGDSave up to $3,532 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
0.85ct Marquise
$2,108 SGD