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Oval|Natural|GIA

3.51ct E SI1 Oval Natural Diamond

EX • E/SI1 • GIA 6535135719

Certificate GIA 6535135719

Diamond specifications and retailer prices

From HK$479,694 HKD
$61,141 USD
As of October 30, 2026
Save HK$123,224 HKD (20%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: HK$602,918 HKD at 77 Diamonds · As of October 30, 2026
View at 77 Diamonds

About this 3.51ct natural oval diamond

This 3.51ct natural oval sits in the three to five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6535135719. Listed at 6 retailers as of October 30, 2026, with prices from HK$479,694 to HK$602,918, a HK$123,224 spread on the same certified stone. 77 Diamonds lists it at HK$602,918. 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

3.51
Carat
E
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6535135719
Dimensions12.55 × 8.03 × 5.20 mm
L/W Ratio1.56
Top View
12.55 mm8.03 mm3.51 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6535135719
Side View
Table 61.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 64.7%

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$602,918 HKD|Low: HK$479,694 HKD|High: HK$608,174 HKD|Avg: HK$531,404 HKD|+1.5%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
October 30, 2026
Retailer 4HK$479,694 HKD
Retailer 2HK$505,360 HKD
Retailer 3HK$526,478 HKD
77 DiamondsHK$602,918 HKD

43 data points across 4 retailers

6 retailersHK$479,694 HKD to HK$602,918 HKD

B+
Cheapest Retailer
-
HK$479,694 HKD
$61,141 USD
B
Retailer 2
-
HK$502,175 HKD
$64,006 USD
View
B+
Retailer 3
-
HK$505,360 HKD
₹6,134,508 INR
View
B+
Retailer 4
-
HK$508,668 HKD
$64,834 USD
View
B+
Retailer 5
-
HK$526,478 HKD
$67,104 USD
View
Most Expensive
B
77 Diamonds
OVZCCRDH6XC · Oct 30
HK$602,918 HKD
£60,509 GBP
View
5 more retailers have this diamond
Prices start from HK$479,694 HKDSave up to HK$123,224 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+
3.51ct Oval
HK$479,694 HKD