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Round|Natural|GIA

5.27ct I SI2 Round Natural Diamond

EX • I/SI2 • GIA 6471204065

Certificate GIA 6471204065

Diamond specifications and retailer prices

From $77,343 AUD
$54,329 USD
As of October 30, 2026
Save $59,038 AUD (43%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $136,381 AUD at MOH London · As of October 29, 2026
View at MOH London

About this 5.27ct natural round diamond

This 5.27ct natural round sits in the over five carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6471204065. Listed at 13 retailers as of October 29, 2026, with prices from $77,343 to $136,381, a $59,038 spread on the same certified stone. MOH London lists it at $136,381. 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

5.27
Carat
I
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6471204065
Dimensions11.13 × 11.05 × 6.92 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Top View
11.13 mm11.05 mm5.27 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6471204065
Side View
Table 56.0%Crown 35.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.4%

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: Oct 30
Current: $136,381 AUD|Low: $77,343 AUD|High: $142,993 AUD|Avg: $94,765 AUD|-4.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
October 30, 2026
Retailer 12$77,343 AUD
Retailer 3$78,715 AUD
Retailer 11$79,619 AUD
Retailer 6$79,688 AUD
Retailer 5$80,031 AUD
Retailer 13$86,860 AUD
Retailer 8$86,949 AUD
Retailer 4$90,478 AUD
Retailer 10$90,478 AUD
Retailer 9$94,097 AUD
Retailer 14$97,717 AUD
Retailer 2$105,391 AUD
Retailer 7$110,609 AUD
MOH London$136,381 AUD

32 data points across 14 retailers

13 retailers$77,343 AUD to $136,381 AUD

A
Cheapest Retailer
-
$77,343 AUD
$54,329 USD
A
Retailer 2
-
$78,715 AUD
$55,293 USD
View
A
Retailer 3
-
$79,619 AUD
$55,928 USD
View
Final sale: no returns
Retailer 4
-
$80,031 AUD
HK$439,200 HKD
View
Price last confirmed 44 days ago
A
Retailer 5
-
$86,860 AUD
$61,014 USD
View
A
Retailer 6
-
$86,949 AUD
£48,092 GBP
View
A
Retailer 7
-
$90,478 AUD
$63,556 USD
View
A
Retailer 8
-
$90,478 AUD
$63,556 USD
View
A
Retailer 9
-
$94,097 AUD
$66,098 USD
View
A
Retailer 10
-
$97,717 AUD
$68,641 USD
View
A
Retailer 11
-
$105,391 AUD
€70,506 EUR
View
B+
Retailer 12
-
$110,609 AUD
£61,179 GBP
View
Most Expensive
B+
MOH London
AC697E5FC · Oct 29
$136,381 AUD
£75,433 GBP
View
12 more retailers have this diamond
Prices start from $77,343 AUDSave up to $59,038 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
5.27ct Round
$77,343 AUD