Round|Natural|GIA

3.70ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 2566388012

Certificate GIA 2566388012

Diamond specifications and retailer prices

From $46,391 SGD
HK$283,500 HKD
As of October 28, 2026
Save $38,266 SGD (45%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $84,656 SGD at MOH London · As of October 26, 2026
View at MOH London

About this 3.7ct natural round diamond

This 3.7ct 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 2566388012. Listed at 8 retailers as of October 26, 2026, with prices from $46,391 to $84,656, a $38,266 spread on the same certified stone. MOH London lists it at $84,656. 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

3.70
Carat
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 2566388012
Dimensions9.78 × 9.84 × 6.16 mm
L/W Ratio1.01
Girdle conditionMedium to Slightly Thick
Culet sizeNone
Top View
9.78 mm9.84 mm3.70 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2566388012
Side View
Table 56.0%Crown 36.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: $84,656 SGD|Low: $46,391 SGD|High: $89,830 SGD|Avg: $60,253 SGD|-5.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 27, 2026
Retailer 6$46,391 SGD
Retailer 3$48,344 SGD
Retailer 8$51,091 SGD
Retailer 5$53,417 SGD
Retailer 2$53,816 SGD
Retailer 7$60,190 SGD
Retailer 4$65,410 SGD
MOH London$84,656 SGD

28 data points across 8 retailers

8 retailers$46,391 SGD to $84,656 SGD

A
Cheapest Retailer
-
$46,391 SGD
HK$283,500 HKD
B+
Retailer 2
-
$48,344 SGD
₹3,601,549 INR
View
Retailer 3
-
$51,091 SGD
$39,965 USD
View
Price last confirmed 15 days ago
B+
Retailer 4
-
$53,417 SGD
$41,784 USD
View
B+
Retailer 5
-
$53,816 SGD
£33,147 GBP
View
Retailer 6
-
$60,190 SGD
$47,082 USD
View
Price last confirmed 8 days ago
B+
Retailer 7
-
$65,410 SGD
€48,729 EUR
View
Most Expensive
B
MOH London
9A527CA8F · Oct 26
$84,656 SGD
£52,142 GBP
View
7 more retailers have this diamond
Prices start from $46,391 SGDSave up to $38,266 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
3.70ct Round
$46,391 SGD