Round|Natural|GIA

3.80ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 6541485245

Certificate GIA 6541485245

Diamond specifications and retailer prices

From $42,510 USD
As of October 31, 2026
Save $34,270 USD (45%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $76,780 USD 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 $42,510 to $76,780, a $34,270 spread on the same certified stone. MOH London lists it at $76,780. 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
Color
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: $76,780 USD|Low: $44,578 USD|High: $77,292 USD|Avg: $53,953 USD|-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$44,692 USD
Retailer 11$44,757 USD
Retailer 3$48,279 USD
Retailer 5$49,417 USD
Retailer 9$50,939 USD
Retailer 10$50,939 USD
Retailer 8$52,976 USD
Retailer 7$55,014 USD
Retailer 2$57,838 USD
Retailer 6$59,713 USD
MOH London$76,780 USD

27 data points across 11 retailers

14 retailers$42,510 USD to $76,780 USD

B+
Cheapest Retailer
-
$42,510 USD
B+
Retailer 2
-
$44,692 USD
₹4,256,422 INR
View
B+
Retailer 3
-
$44,757 USD
View
B+
Retailer 4
-
$45,112 USD
View
B
Retailer 5
-
$48,279 USD
View
Final sale: no returns
B
Retailer 6
-
$48,460 USD
View
B+
Retailer 7
-
$49,417 USD
£38,911 GBP
View
B
Retailer 8
-
$50,939 USD
View
B+
Retailer 9
-
$50,939 USD
View
B
Retailer 10
-
$52,976 USD
View
B
Retailer 11
-
$55,014 USD
View
B
Retailer 12
-
$57,838 USD
€55,084 EUR
View
B
Retailer 13
-
$59,713 USD
£47,018 GBP
View
Most Expensive
B
MOH London
6581C97D7 · Oct 29
$76,780 USD
£60,457 GBP
View
13 more retailers have this diamond
Prices start from $42,510 USDSave up to $34,270 USD

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
$42,510 USD