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Marquise|Natural|GIA

5.01ct I SI1 Marquise Natural Diamond

EX • I/SI1 • GIA 5242069816

Certificate GIA 5242069816

Diamond specifications and retailer prices

From $99,805 AUD
SGD 94,521 SGD
As of November 2, 2026
Save $61,069 AUD (38%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $160,874 AUD at Helzberg Diamonds · As of November 1, 2026
View at Helzberg Diamonds

About this 5.01ct natural marquise diamond

This 5.01ct natural marquise sits in the over five carat band, graded I 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 5242069816. Listed at 13 retailers as of November 1, 2026, with prices from $99,805 to $160,874, a $61,069 spread on the same certified stone. Helzberg Diamonds lists it at $160,874. 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

5.01
Carat
I
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle39.66°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 5242069816
Dimensions17.28 × 8.51 × 5.47 mm
L/W Ratio2.03
Culet sizeNone
Top View
17.28 mm8.51 mm5.01 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 5242069816
Side View
Table 60.0%Crown 39.66°Girdle: STK-THKPavilion 40.6°Culet: NoneDepth 64.3%

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: $160,874 AUD|Low: $99,805 AUD|High: $166,392 AUD|Avg: $118,192 AUD|-3.3%
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 2, 2026
Retailer 13$99,805 AUD
Retailer 10$104,906 AUD
Retailer 8$104,938 AUD
Retailer 6$105,811 AUD
Retailer 9$106,283 AUD
Retailer 4$107,053 AUD
Retailer 11$111,498 AUD
Retailer 3$112,798 AUD
Retailer 7$119,015 AUD
Retailer 5$125,504 AUD
Retailer 12$127,714 AUD
Retailer 2$127,919 AUD
Helzberg Diamonds$160,874 AUD

31 data points across 13 retailers

13 retailers$99,805 AUD to $160,874 AUD

A
Cheapest Retailer
-
$99,805 AUD
SGD 94,521 SGD
A
Retailer 2
-
$104,906 AUD
$73,520 USD
View
A
Retailer 3
-
$104,938 AUD
£57,908 GBP
View
A
Retailer 4
-
$105,811 AUD
$74,154 USD
View
A
Retailer 5
-
$106,283 AUD
$74,485 USD
View
A
Retailer 6
-
$107,053 AUD
$75,025 USD
View
A
Retailer 7
-
$111,498 AUD
$78,140 USD
View
A
Retailer 8
-
$112,798 AUD
SGD 106,826 SGD
View
B+
Retailer 9
-
$119,015 AUD
$83,408 USD
View
Retailer 10
-
$125,504 AUD
$87,956 USD
View
Price last confirmed 7 days ago
B+
Retailer 11
-
$127,714 AUD
$89,504 USD
View
B+
Retailer 12
-
$127,919 AUD
€85,379 EUR
View
Most Expensive
B
Helzberg Diamonds
XZRLIKIGMPOHM · Nov 1
$160,874 AUD
$112,744 USD
View
12 more retailers have this diamond
Prices start from $99,805 AUDSave up to $61,069 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.

A
5.01ct Marquise
$99,805 AUD