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Marquise|Natural|GIA

0.80ct G SI1 Marquise Natural Diamond

EX • G/SI1 • GIA 6425985290

Certificate GIA 6425985290

Diamond specifications and retailer prices

From $2,417 SGD
$1,890 USD
As of November 1, 2026
Save $2,199 SGD (48%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $4,616 SGD at MOH London · As of November 2, 2026
View at MOH London

About this 0.8ct natural marquise diamond

This 0.8ct natural marquise sits in the just-under-one-carat band, graded G 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 6425985290. Listed at 5 retailers as of November 1, 2026, with prices from $2,417 to $4,616, a $2,199 spread on the same certified stone. MOH London lists it at $4,616. 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

0.80
Carat
G
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6425985290
Dimensions9.56 × 4.80 × 3.03 mm
L/W Ratio1.99
Top View
9.56 mm4.80 mm0.80 ctG / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 6425985290
Side View
Table 56.0%CrownGirdle: Med. - Very ThickPavilionCulet: NoneDepth 63.1%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $4,616 SGD|Low: $2,417 SGD|High: $4,640 SGD|Avg: $3,187 SGD|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 2, 2026
Retailer 4$2,417 SGD
Retailer 5$2,509 SGD
Retailer 3$2,866 SGD
Retailer 2$3,599 SGD
MOH London$4,616 SGD

18 data points across 5 retailers

5 retailers$2,417 SGD to $4,616 SGD

B+
Cheapest Retailer
-
$2,417 SGD
$1,890 USD
B+
Retailer 2
-
$2,509 SGD
$1,962 USD
View
B+
Retailer 3
-
$2,866 SGD
£1,765 GBP
View
B
Retailer 4
-
$3,599 SGD
€2,680 EUR
View
Most Expensive
B
MOH London
D4466BE69 · Nov 2
$4,616 SGD
£2,842 GBP
View
4 more retailers have this diamond
Prices start from $2,417 SGDSave up to $2,199 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.

B+
0.80ct Marquise
$2,417 SGD