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Round|Natural|GIA

3.90ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 1565777341

Certificate GIA 1565777341

Diamond specifications and retailer prices

From $48,539 SGD
₹3,616,055 INR
As of October 31, 2026
Save $41,830 SGD (46%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $90,369 SGD 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 $48,539 to $90,369, a $41,830 spread on the same certified stone. MOH London lists it at $90,369. 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
Colour
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: $90,369 SGD|Low: $48,539 SGD|High: $90,853 SGD|Avg: $64,556 SGD|-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 16$48,539 SGD
Retailer 2$48,911 SGD
Retailer 10$52,440 SGD
Retailer 15$53,041 SGD
Retailer 5$57,041 SGD
Retailer 13$57,885 SGD
Retailer 6$60,275 SGD
Retailer 17$61,862 SGD
Retailer 14$62,686 SGD
Retailer 8$63,871 SGD
Retailer 3$66,011 SGD
Retailer 9$66,532 SGD
Retailer 11$70,251 SGD
Retailer 4$71,855 SGD
Retailer 12$75,013 SGD
Retailer 7$87,981 SGD
MOH London$90,369 SGD

4 data points across 17 retailers

18 retailers$48,539 SGD to $90,369 SGD

A
Cheapest Retailer
-
$48,539 SGD
₹3,616,055 INR
B+
Retailer 2
-
$48,911 SGD
HK$298,900 HKD
View
B+
Retailer 3
-
$52,440 SGD
$41,020 USD
View
B+
Retailer 4
-
$53,041 SGD
$41,490 USD
View
Final sale: no returns
B+
Retailer 5
-
$53,424 SGD
A$64,292 AUD
View
B+
Retailer 6
-
$57,041 SGD
$44,619 USD
View
B+
Retailer 7
-
$57,885 SGD
£35,653 GBP
View
B
Retailer 8
-
$60,275 SGD
$47,149 USD
View
B
Retailer 9
-
$61,862 SGD
$48,390 USD
View
B
Retailer 10
-
$62,686 SGD
$49,035 USD
View
B
Retailer 11
-
$63,871 SGD
$49,962 USD
View
B
Retailer 12
-
$66,011 SGD
€49,177 EUR
View
B
Retailer 13
-
$66,532 SGD
$52,043 USD
View
B
Retailer 14
-
$70,251 SGD
£43,270 GBP
View
B
Retailer 15
-
$71,855 SGD
$56,207 USD
View
B
Retailer 16
-
$75,013 SGD
ZAR 947,933 ZAR
View
B
Retailer 17
-
$87,981 SGD
$68,821 USD
View
Most Expensive
B
MOH London
AE23557C1 · Nov 1
$90,369 SGD
£55,661 GBP
View
17 more retailers have this diamond
Prices start from $48,539 SGDSave up to $41,830 SGD

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
$48,539 SGD