Round|Natural|GIA

3.70ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 7548697931

Certificate GIA 7548697931

Diamond specifications and retailer prices

From HK$313,867 HKD
$40,005 USD
As of October 31, 2026
Save HK$75,123 HKD (19%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: HK$388,990 HKD at 77 Diamonds · As of November 2, 2026
View at 77 Diamonds

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 7548697931. Listed at 4 retailers as of October 31, 2026, with prices from HK$313,867 to HK$388,990, a HK$75,123 spread on the same certified stone. 77 Diamonds lists it at HK$388,990. 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
OriginNatural
Grading LabGIA
CertificateGIA 7548697931
Dimensions9.84 × 9.90 × 6.05 mm
L/W Ratio1.01
Top View
9.84 mm9.90 mm3.70 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7548697931
Side View
Table 60.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 61.3%

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: HK$388,990 HKD|Low: HK$310,588 HKD|High: HK$394,236 HKD|Avg: HK$352,390 HKD|-0.2%
77 Diamonds
Retailer 2
November 2, 2026
Retailer 2HK$313,867 HKD
77 DiamondsHK$388,990 HKD

33 data points across 2 retailers

4 retailersHK$313,867 HKD to HK$388,990 HKD

B+
Cheapest Retailer
-
HK$313,867 HKD
$40,005 USD
B+
Retailer 2
-
HK$321,172 HKD
$40,936 USD
View
B+
Retailer 3
-
HK$331,823 HKD
$42,294 USD
View
Most Expensive
B
77 Diamonds
RBZBHTNVMSJ · Nov 2
HK$388,990 HKD
£39,039 GBP
View
3 more retailers have this diamond
Prices start from HK$313,867 HKDSave up to HK$75,123 HKD

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+
3.70ct Round
HK$313,867 HKD