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Marquise|Natural|GIA

8.02ct E SI1 Marquise Natural Diamond

EX • E/SI1 • GIA 5231192136

Certificate GIA 5231192136

Diamond specifications and retailer prices

From $360,908 AUD
$253,518 USD
As of October 31, 2026
Save $19,550 AUD (5%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $380,459 AUD at Adiamor · As of October 30, 2026
View at Adiamor

About this 8.02ct natural marquise diamond

This 8.02ct natural marquise sits in the over five carat band, graded E 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 5231192136. Listed at 5 retailers as of October 30, 2026, with a relatively tight 5% spread, which is unusual at this carat range and suggests competitive pricing across the listings. 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

8.02
Carat
E
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 5231192136
Dimensions20.22 × 10.66 × 6.50 mm
L/W Ratio1.90
Top View
20.22 mm10.66 mm8.02 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 5231192136
Side View
Table 57.0%CrownGirdle: ThickPavilionCulet: NoneDepth 61.0%

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: Oct 31
Current: $376,145 AUD|Low: $357,315 AUD|High: $383,617 AUD|Avg: $369,737 AUD|-0.9%
Retailer 1
Retailer 2
November 1, 2026
Retailer 2$360,908 AUD
Retailer 1$376,145 AUD

45 data points across 2 retailers

5 retailers$360,908 AUD to $380,459 AUD

B+
Cheapest Retailer
-
$360,908 AUD
$253,518 USD
B+
Retailer 2
-
$363,441 AUD
$255,297 USD
View
B+
Retailer 3
-
$363,780 AUD
$255,535 USD
View
B+
Retailer 4
-
$376,145 AUD
₹25,163,889 INR
View
Most Expensive
B
Adiamor
D-58744094 · Oct 30
$380,459 AUD
$267,251 USD
View
4 more retailers have this diamond
Prices start from $360,908 AUDSave up to $19,550 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.

B+
8.02ct Marquise
$360,908 AUD