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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 $55,851 AUD
HK$306,500 HKD
As of October 30, 2026
Save $56,748 AUD (50%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $112,598 AUD 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 $55,851 to $112,598, a $56,748 spread on the same certified stone. With Clarity lists it at $112,598. 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: $68,506 AUD|Low: $55,851 AUD|High: $112,598 AUD|Avg: $72,019 AUD|-1.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
With Clarity
October 27, 2026
Retailer 2$55,851 AUD
Retailer 6$62,537 AUD
Retailer 7$65,318 AUD
Retailer 5$66,943 AUD
Retailer 1$68,506 AUD
Retailer 3$70,135 AUD
Retailer 4$72,293 AUD
With Clarity$112,598 AUD

11 data points across 8 retailers

5 retailers$55,851 AUD to $112,598 AUD

B+
Cheapest Retailer
-
$55,851 AUD
HK$306,500 HKD
B
Retailer 2
-
$68,506 AUD
$48,122 USD
View
B+
Retailer 3
-
$70,135 AUD
SGD 66,576 SGD
View
B
Retailer 4
-
$72,293 AUD
$50,782 USD
View
Most Expensive
B
With Clarity
6555373989 · Oct 30
$112,598 AUD
$79,094 USD
View
4 more retailers have this diamond
Prices start from $55,851 AUDSave up to $56,748 AUD

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
$55,851 AUD