Oval|Natural|GIA

3.50ct H SI1 Oval Natural Diamond

EX • H/SI1 • GIA 6555373989

Certificate GIA 6555373989

Diamond specifications and retailer prices

From $50,154 SGD
HK$306,500 HKD
As of October 30, 2026
Save $50,960 SGD (50%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $101,114 SGD at With Clarity · As of October 30, 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 $50,154 to $101,114, a $50,960 spread on the same certified stone. With Clarity lists it at $101,114. 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: $61,519 SGD|Low: $50,154 SGD|High: $101,114 SGD|Avg: $64,674 SGD|-1.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
With Clarity
October 27, 2026
Retailer 2$50,154 SGD
Retailer 6$56,158 SGD
Retailer 7$58,656 SGD
Retailer 5$60,115 SGD
Retailer 1$61,519 SGD
Retailer 3$62,982 SGD
Retailer 4$64,920 SGD
With Clarity$101,114 SGD

11 data points across 8 retailers

5 retailers$50,154 SGD to $101,114 SGD

B+
Cheapest Retailer
-
$50,154 SGD
HK$306,500 HKD
B
Retailer 2
-
$61,519 SGD
$48,122 USD
View
B+
Retailer 3
-
$62,982 SGD
View
B
Retailer 4
-
$64,920 SGD
$50,782 USD
View
Most Expensive
B
With Clarity
6555373989 · Oct 30
$101,114 SGD
$79,094 USD
View
4 more retailers have this diamond
Prices start from $50,154 SGDSave up to $50,960 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.

B+
3.50ct Oval
$50,154 SGD