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Round|Natural|GIA

3.50ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 1242069334

Certificate GIA 1242069334

Diamond specifications and retailer prices

From $52,278 AUD
SGD 49,625 SGD
As of November 2, 2026
Save $31,979 AUD (38%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $84,257 AUD at Helzberg Diamonds · As of November 1, 2026
View at Helzberg Diamonds

About this 3.5ct natural round diamond

This 3.5ct natural round sits in the three to five carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1242069334. Listed at 12 retailers as of November 1, 2026, with prices from $52,278 to $84,257, a $31,979 spread on the same certified stone. Helzberg Diamonds lists it at $84,257. 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 1242069334
Dimensions9.55 × 6.03 × 6.03 mm
L/W Ratio1.58
Culet sizeNone
Top View
9.55 mm6.03 mm3.50 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1242069334
Side View
Table 57.0%Crown 36°Girdle: Slightly ThickPavilion 40.6°Culet: NoneDepth 63.0%

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: Nov 2
Current: $84,257 AUD|Low: $52,278 AUD|High: $84,989 AUD|Avg: $65,330 AUD|-0.9%
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 12$52,278 AUD
Retailer 2$54,962 AUD
Retailer 7$55,990 AUD
Retailer 8$56,240 AUD
Retailer 10$58,397 AUD
Retailer 9$62,937 AUD
Retailer 3$63,941 AUD
Retailer 6$66,791 AUD
Retailer 11$66,992 AUD
Retailer 4$67,717 AUD
Retailer 5$80,280 AUD
Helzberg Diamonds$84,257 AUD

37 data points across 12 retailers

12 retailers$52,278 AUD to $84,257 AUD

B+
Cheapest Retailer
-
$52,278 AUD
SGD 49,625 SGD
B+
Retailer 2
-
$54,962 AUD
£30,400 GBP
View
B+
Retailer 3
-
$55,990 AUD
$39,330 USD
View
B+
Retailer 4
-
$56,240 AUD
$39,506 USD
View
B+
Retailer 5
-
$58,397 AUD
$41,021 USD
View
B
Retailer 6
-
$62,937 AUD
$44,210 USD
View
B+
Retailer 7
-
$63,941 AUD
SGD 60,696 SGD
View
B+
Retailer 8
-
$66,791 AUD
€44,683 EUR
View
B
Retailer 9
-
$66,992 AUD
$47,059 USD
View
B
Retailer 10
-
$67,717 AUD
$47,568 USD
View
B
Retailer 11
-
$80,280 AUD
$56,392 USD
View
Most Expensive
B
Helzberg Diamonds
XZRHIKIGMPJJK · Nov 1
$84,257 AUD
$59,186 USD
View
11 more retailers have this diamond
Prices start from $52,278 AUDSave up to $31,979 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 Round
$52,278 AUD