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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 $2,348 AUD
$1,649 USD
As of November 1, 2026
Save $3,933 AUD (63%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $6,281 AUD 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 $2,348 to $6,281, a $3,933 spread on the same certified stone. NZ Jewellers lists it at $6,281. 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: $6,281 AUD|Low: $2,370 AUD|High: $6,281 AUD|Avg: $3,426 AUD
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$2,370 AUD
Retailer 10$2,575 AUD
Retailer 11$2,655 AUD
Retailer 9$2,693 AUD
Retailer 2$2,863 AUD
Retailer 3$2,971 AUD
Retailer 8$3,360 AUD
Retailer 6$3,517 AUD
Retailer 5$3,836 AUD
Retailer 4$4,513 AUD
NZ Jewellers$6,281 AUD

45 data points across 11 retailers

13 retailers$2,348 AUD to $6,281 AUD

A
Cheapest Retailer
-
$2,348 AUD
$1,649 USD
A
Retailer 2
-
$2,370 AUD
$1,665 USD
View
A
Retailer 3
-
$2,575 AUD
$1,809 USD
View
A
Retailer 4
-
$2,575 AUD
$1,809 USD
View
A
Retailer 5
-
$2,655 AUD
$1,865 USD
View
A
Retailer 6
-
$2,693 AUD
$1,892 USD
View
A
Retailer 7
-
$2,863 AUD
£1,584 GBP
View
A
Retailer 8
-
$2,971 AUD
$2,087 USD
View
Retailer 9
-
$3,360 AUD
View
Price last confirmed 27 days ago
B+
Retailer 10
-
$3,517 AUD
€2,353 EUR
View
B+
Retailer 11
-
$3,836 AUD
ZAR 43,527 ZAR
View
B+
Retailer 12
-
$4,513 AUD
£2,496 GBP
View
Most Expensive
B
NZ Jewellers
a7e9c3d9-a65e-4b59-bc9d-720bb12a0712 · Oct 30
$6,281 AUD
$4,412 USD
View
12 more retailers have this diamond
Prices start from $2,348 AUDSave up to $3,933 AUD

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
$2,348 AUD