Round|Natural|GIA

3.90ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 1565777341

Certificate GIA 1565777341

Diamond specifications and retailer prices

From $37,969 USD
₹3,616,055 INR
As of October 31, 2026
Save $32,721 USD (46%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $70,689 USD at MOH London · As of November 1, 2026
View at MOH London

About this 3.9ct natural round diamond

This 3.9ct 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 1565777341. Listed at 18 retailers as of October 31, 2026, with prices from $37,969 to $70,689, a $32,721 spread on the same certified stone. MOH London lists it at $70,689. 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

3.90
Carat
I
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1565777341
Dimensions9.97 × 10.01 × 6.25 mm
L/W Ratio1.00
Culet sizeNone
Key to symbols
Crystal, Cloud, Needle, Natural
Top View
9.97 mm10.01 mm3.90 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 1565777341
Side View
Table 58.0%Crown 36°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.5%

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 31
Current: $70,689 USD|Low: $37,969 USD|High: $71,068 USD|Avg: $50,497 USD|-0.5%
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
Retailer 15
Retailer 16
Retailer 17
November 1, 2026
Retailer 15$37,969 USD
Retailer 8$38,221 USD
Retailer 2$41,020 USD
Retailer 14$41,490 USD
Retailer 4$44,619 USD
Retailer 12$45,279 USD
Retailer 5$47,149 USD
Retailer 16$48,390 USD
Retailer 13$49,035 USD
Retailer 7$49,962 USD
Retailer 17$51,636 USD
Retailer 9$52,043 USD
Retailer 10$54,952 USD
Retailer 3$56,207 USD
Retailer 11$58,677 USD
Retailer 6$68,821 USD
MOH London$70,689 USD

4 data points across 17 retailers

18 retailers$37,969 USD to $70,689 USD

A
Cheapest Retailer
-
$37,969 USD
₹3,616,055 INR
B+
Retailer 2
-
$38,221 USD
HK$298,600 HKD
View
B+
Retailer 3
-
$41,020 USD
View
B+
Retailer 4
-
$41,490 USD
View
Final sale: no returns
B+
Retailer 5
-
$41,790 USD
A$64,292 AUD
View
B+
Retailer 6
-
$44,619 USD
View
B+
Retailer 7
-
$45,279 USD
£35,653 GBP
View
B
Retailer 8
-
$47,149 USD
View
B
Retailer 9
-
$48,390 USD
View
B
Retailer 10
-
$49,035 USD
View
B
Retailer 11
-
$49,962 USD
View
B
Retailer 12
-
$51,636 USD
€49,177 EUR
View
B
Retailer 13
-
$52,043 USD
View
B
Retailer 14
-
$54,952 USD
£43,270 GBP
View
B
Retailer 15
-
$56,207 USD
View
B
Retailer 16
-
$58,677 USD
ZAR 947,933 ZAR
View
B
Retailer 17
-
$68,821 USD
View
Most Expensive
B
MOH London
AE23557C1 · Nov 1
$70,689 USD
£55,661 GBP
View
17 more retailers have this diamond
Prices start from $37,969 USDSave up to $32,721 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.

A
3.90ct Round
$37,969 USD