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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 $2,535 USD
As of October 31, 2026
Save $1,919 USD (43%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $4,454 USD 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 $2,535 to $4,454, a $1,919 spread on the same certified stone. MOH London lists it at $4,454. 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
Color
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 →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $4,454 USD|Low: $2,030 USD|High: $4,502 USD|Avg: $2,896 USD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 4$2,030 USD
Retailer 8$2,535 USD
Retailer 6$2,670 USD
Retailer 7$2,670 USD
Retailer 2$2,740 USD
Retailer 5$2,760 USD
Retailer 3$3,171 USD
MOH London$4,454 USD

42 data points across 8 retailers

8 retailers$2,535 USD to $4,454 USD

Retailer 1
-
$2,030 USD
Price last confirmed 10 days ago
B+
Retailer 2
-
$2,535 USD
View
B+
Retailer 3
-
$2,670 USD
View
B+
Retailer 4
-
$2,670 USD
View
B+
Retailer 5
-
$2,740 USD
£2,157 GBP
View
B+
Retailer 6
-
$2,760 USD
View
B+
Retailer 7
-
$3,171 USD
€3,020 EUR
View
Most Expensive
B
MOH London
F49994C24 · Oct 26
$4,454 USD
£3,507 GBP
View
7 more retailers have this diamond
Prices start from $2,535 USDSave up to $1,919 USD

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+
0.86ct Marquise
$2,535 USD