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Marquise|Natural|GIA

0.81ct H SI1 Marquise Natural Diamond

ID • H/SI1 • GIA 2556998181

Certificate GIA 2556998181

Diamond specifications and retailer prices

From £894 GBP
₹114,297 INR
As of November 2, 2026
Save £2,048 GBP (70%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £2,943 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 0.81ct natural marquise diamond

This 0.81ct 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 2556998181. Listed at 11 retailers as of October 30, 2026, with prices from £894 to £2,943, a £2,048 spread on the same certified stone. NZ Jewellers lists it at £2,943. 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

0.81
Carat
H
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceStrong
OriginNatural
Grading LabGIA
CertificateGIA 2556998181
Dimensions9.66 × 4.95 × 2.95 mm
L/W Ratio1.95
Girdle conditionFaceted
Culet sizeNone
Top View
9.66 mm4.95 mm0.81 ctH / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceStrong
CertificateGIA 2556998181
Side View
Table 56.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 59.7%

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 2
Current: £894 GBP|Low: £858 GBP|High: £2,139 GBP|Avg: £1,384 GBP|-2.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 2, 2026
Retailer 1£894 GBP
Retailer 5£1,113 GBP
Retailer 6£1,262 GBP
Retailer 2£1,353 GBP
Retailer 4£1,647 GBP
Retailer 3£2,113 GBP

41 data points across 6 retailers

11 retailers£894 GBP to £2,943 GBP

A
Cheapest Retailer
-
£894 GBP
₹114,297 INR
B+
Retailer 2
-
£1,113 GBP
$1,494 USD
View
Final sale: no returns
B+
Retailer 3
-
£1,129 GBP
$1,515 USD
View
B+
Retailer 4
-
£1,206 GBP
$1,619 USD
View
B+
Retailer 5
-
£1,239 GBP
SGD 2,247 SGD
View
B+
Retailer 6
-
£1,262 GBP
$1,694 USD
View
B+
Retailer 7
-
£1,353 GBP
View
B+
Retailer 8
-
£1,392 GBP
$1,868 USD
View
B+
Retailer 9
-
£1,647 GBP
€2,105 EUR
View
B
Retailer 10
-
£2,113 GBP
View
Most Expensive
B
NZ Jewellers
b5b3a905-7e10-4583-aecc-ffe9d014763b · Oct 30
£2,943 GBP
$3,949 USD
View
10 more retailers have this diamond
Prices start from £894 GBPSave up to £2,048 GBP

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
0.81ct Marquise
£894 GBP