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Marquise|Natural|GIA

0.86ct D SI1 Marquise Natural Diamond

EX • D/SI1 • GIA 6233964129

Certificate GIA 6233964129

Diamond specifications and retailer prices

From $2,890 AUD
$2,030 USD
As of November 1, 2026
Save $3,451 AUD (54%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $6,341 AUD at MOH London · As of October 26, 2026
View at MOH London

About this 0.86ct natural marquise diamond

This 0.86ct 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 6233964129. Listed at 8 retailers as of October 26, 2026, with prices from $2,890 to $6,341, a $3,451 spread on the same certified stone. MOH London lists it at $6,341. 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

0.86
Carat
D
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishGood
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6233964129
Dimensions10.19 × 4.86 × 3.10 mm
L/W Ratio2.10
Girdle conditionFaceted
Culet sizeNone
Top View
10.19 mm4.86 mm0.86 ctD / SI1
OriginNatural
CutExcellent
PolishGood
SymmetryGood
FluorescenceNone
CertificateGIA 6233964129
Side View
Table 56.0%CrownGirdle: THN-VTKPavilionCulet: NoneDepth 63.9%

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: $6,341 AUD|Low: $2,890 AUD|High: $6,409 AUD|Avg: $4,123 AUD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 2, 2026
Retailer 4$2,890 AUD
Retailer 8$3,609 AUD
Retailer 6$3,801 AUD
Retailer 7$3,801 AUD
Retailer 3$3,868 AUD
Retailer 5$3,929 AUD
Retailer 2$4,513 AUD
MOH London$6,341 AUD

42 data points across 8 retailers

8 retailers$2,890 AUD to $6,341 AUD

A
Cheapest Retailer
-
$2,890 AUD
$2,030 USD
B+
Retailer 2
-
$3,609 AUD
$2,535 USD
View
B+
Retailer 3
-
$3,801 AUD
$2,670 USD
View
B+
Retailer 4
-
$3,801 AUD
$2,670 USD
View
B+
Retailer 5
-
$3,868 AUD
£2,139 GBP
View
B+
Retailer 6
-
$3,929 AUD
$2,760 USD
View
B+
Retailer 7
-
$4,513 AUD
€3,019 EUR
View
Most Expensive
B
MOH London
F49994C24 · Oct 26
$6,341 AUD
£3,507 GBP
View
7 more retailers have this diamond
Prices start from $2,890 AUDSave up to $3,451 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
0.86ct Marquise
$2,890 AUD