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Round|Natural|GIA

3.80ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 6541485245

Certificate GIA 6541485245

Diamond specifications and retailer prices

From $60,517 AUD
$42,510 USD
As of October 31, 2026
Save $48,787 AUD (45%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $109,305 AUD at MOH London · As of October 29, 2026
View at MOH London

About this 3.8ct natural round diamond

This 3.8ct natural round sits in the three to five carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6541485245. Listed at 14 retailers as of October 29, 2026, with prices from $60,517 to $109,305, a $48,787 spread on the same certified stone. MOH London lists it at $109,305. 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

3.80
Carat
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6541485245
Dimensions9.87 × 9.92 × 6.20 mm
L/W Ratio1.01
Top View
9.87 mm9.92 mm3.80 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6541485245
Side View
Table 58.0%Crown 36°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.6%

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: $109,305 AUD|Low: $63,462 AUD|High: $110,033 AUD|Avg: $76,807 AUD|-0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 4$63,624 AUD
Retailer 11$63,716 AUD
Retailer 3$68,730 AUD
Retailer 5$70,350 AUD
Retailer 9$72,517 AUD
Retailer 10$72,517 AUD
Retailer 8$75,417 AUD
Retailer 7$78,318 AUD
Retailer 2$82,338 AUD
Retailer 6$85,007 AUD
MOH London$109,305 AUD

27 data points across 11 retailers

14 retailers$60,517 AUD to $109,305 AUD

B+
Cheapest Retailer
-
$60,517 AUD
$42,510 USD
B+
Retailer 2
-
$63,624 AUD
₹4,256,422 INR
View
B+
Retailer 3
-
$63,716 AUD
$44,757 USD
View
B+
Retailer 4
-
$64,221 AUD
$45,112 USD
View
B
Retailer 5
-
$68,730 AUD
$48,279 USD
View
Final sale: no returns
B
Retailer 6
-
$68,988 AUD
$48,460 USD
View
B+
Retailer 7
-
$70,350 AUD
£38,911 GBP
View
B
Retailer 8
-
$72,517 AUD
$50,939 USD
View
B+
Retailer 9
-
$72,517 AUD
$50,939 USD
View
B
Retailer 10
-
$75,417 AUD
$52,976 USD
View
B
Retailer 11
-
$78,318 AUD
$55,014 USD
View
B
Retailer 12
-
$82,338 AUD
€55,084 EUR
View
B
Retailer 13
-
$85,007 AUD
£47,018 GBP
View
Most Expensive
B
MOH London
6581C97D7 · Oct 29
$109,305 AUD
£60,457 GBP
View
13 more retailers have this diamond
Prices start from $60,517 AUDSave up to $48,787 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+
3.80ct Round
$60,517 AUD