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Oval|Natural|GIA

3.50ct H SI1 Oval Natural Diamond

EX • H/SI1 • GIA 6555373989

Certificate GIA 6555373989

Diamond specifications and retailer prices

From HK$307,803 HKD
As of October 30, 2026
Save HK$312,745 HKD (50%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: HK$620,548 HKD at With Clarity · As of November 1, 2026
View at With Clarity

About this 3.5ct natural oval diamond

This 3.5ct natural oval sits in the three to five carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6555373989. Listed at 5 retailers as of October 30, 2026, with prices from HK$307,803 to HK$620,548, a HK$312,745 spread on the same certified stone. With Clarity lists it at HK$620,548. 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

3.50
Carat
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6555373989
Dimensions11.90 × 8.51 × 5.41 mm
L/W Ratio1.40
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Cloud, Crystal, Needle
Top View
11.90 mm8.51 mm3.50 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6555373989
Side View
Table 60.0%CrownGirdle: ThickPavilionCulet: NoneDepth 63.5%

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 30
Current: HK$377,551 HKD|Low: HK$307,803 HKD|High: HK$620,548 HKD|Avg: HK$396,912 HKD|-1.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
With Clarity
October 27, 2026
Retailer 2HK$307,803 HKD
Retailer 6HK$344,651 HKD
Retailer 7HK$359,976 HKD
Retailer 5HK$368,936 HKD
Retailer 1HK$377,551 HKD
Retailer 3HK$386,528 HKD
Retailer 4HK$398,420 HKD
With ClarityHK$620,548 HKD

11 data points across 8 retailers

5 retailersHK$307,803 HKD to HK$620,548 HKD

B+
Cheapest Retailer
-
HK$307,803 HKD
B
Retailer 2
-
HK$377,551 HKD
$48,122 USD
View
B+
Retailer 3
-
HK$386,528 HKD
SGD 66,576 SGD
View
B
Retailer 4
-
HK$398,420 HKD
$50,782 USD
View
Most Expensive
B
With Clarity
6555373989 · Nov 1
HK$620,548 HKD
$79,094 USD
View
4 more retailers have this diamond
Prices start from HK$307,803 HKDSave up to HK$312,745 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+
3.50ct Oval
HK$307,803 HKD