Marquise|Natural|GIA

0.85ct H SI1 Marquise Natural Diamond

EX • H/SI1 • GIA 1559900837

Certificate GIA 1559900837

Diamond specifications and retailer prices

From $1,385 USD
As of October 31, 2026
Save $2,865 USD (67%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $4,250 USD at Diamond Wish · As of November 1, 2026
View at Diamond Wish

About this 0.85ct natural marquise diamond

This 0.85ct natural marquise sits in the just-under-one-carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1559900837. Listed at 7 retailers as of October 31, 2026, with prices from $1,385 to $4,250, a $2,865 spread on the same certified stone. Diamond Wish lists it at $4,250. 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
H
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1559900837
Dimensions9.24 × 4.99 × 3.15 mm
L/W Ratio1.85
Culet sizeNone
Top View
9.24 mm4.99 mm0.85 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1559900837
Side View
Table 61.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 63.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 31
Current: $3,985 USD|Low: $717 USD|High: $3,985 USD|Avg: $1,424 USD
Diamond Wish
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 17, 2026
Retailer 4$717 USD
Retailer 2$875 USD
Retailer 3$893 USD
Retailer 10$997 USD
Retailer 7$1,027 USD
Retailer 8$1,064 USD
Retailer 11$1,233 USD
Retailer 5$1,385 USD
Retailer 13$1,469 USD
Retailer 9$1,469 USD
Retailer 6$1,490 USD
Retailer 12$1,634 USD
Diamond Wish$3,985 USD

16 data points across 13 retailers

7 retailers$1,385 USD to $4,250 USD

Retailer 1
-
$875 USD
SGD 1,183 SGD
Price last confirmed 10 days ago
Retailer 2
-
$997 USD
View
Price last confirmed 18 days ago
Retailer 3
-
$1,027 USD
View
Price last confirmed 16 days ago
Retailer 4
-
$1,064 USD
SGD 1,438 SGD
View
Price last confirmed 17 days ago
A
Retailer 5
-
$1,385 USD
View
Retailer 6
-
$1,634 USD
View
Price last confirmed 18 days ago
Most Expensive
B
Diamond Wish
MQ30085 · Nov 1
$4,250 USD
View
6 more retailers have this diamond
Prices start from $1,385 USDSave up to $2,865 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.

A
0.85ct Marquise
$1,385 USD