Round|Natural|GIA

3.15ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 2547150074

Certificate GIA 2547150074

Diamond specifications and retailer prices

From $27,638 AUD
$19,414 USD
As of October 31, 2026
Save $19,661 AUD (42%) vs most expensive(unlock to see where)
29 retailers carry this diamond
Most expensive: $47,298 AUD at MOH London · As of October 29, 2026
View at MOH London

About this 3.15ct natural round diamond

This 3.15ct 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 2547150074. Listed at 29 retailers as of October 29, 2026, with prices from $27,638 to $47,298, a $19,661 spread on the same certified stone. MOH London lists it at $47,298. 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

3.15
Carat
H
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle35.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 2547150074
Dimensions9.36 × 9.31 × 5.73 mm
L/W Ratio1.01
Star length50%
Top View
9.36 mm9.31 mm3.15 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 2547150074
Side View
Table 60.0%Crown 35.5°Girdle: STK-STKPavilion 40.6°Culet: NoneDepth 61.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $47,298 AUD|Low: $25,589 AUD|High: $47,613 AUD|Avg: $33,071 AUD|-0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 9$25,589 AUD
Retailer 5$28,674 AUD
Retailer 11$28,868 AUD
Retailer 7$29,059 AUD
Retailer 2$30,808 AUD
Retailer 8$30,922 AUD
Retailer 3$31,874 AUD
Retailer 10$31,874 AUD
Retailer 12$32,942 AUD
Retailer 6$36,550 AUD
Retailer 4$38,708 AUD
MOH London$47,298 AUD

33 data points across 12 retailers

29 retailers$27,638 AUD to $47,298 AUD

Retailer 1
-
$25,589 AUD
$17,975 USD
Price last confirmed 10 days ago
Retailer 2
-
$27,303 AUD
$19,179 USD
View
Price last confirmed 76 days ago
A
Retailer 3
-
$27,638 AUD
$19,414 USD
View
A
Retailer 4
-
$27,641 AUD
$19,416 USD
View
A
Retailer 5
-
$27,692 AUD
$19,452 USD
View
A
Retailer 6
-
$27,896 AUD
$19,596 USD
View
A
Retailer 7
-
$28,674 AUD
₹1,918,261 INR
View
A
Retailer 8
-
$28,868 AUD
$20,278 USD
View
Final sale: no returns
A
Retailer 9
-
$29,059 AUD
$20,412 USD
View
A
Retailer 10
-
$29,726 AUD
CA$29,001 CAD
View
A
Retailer 11
-
$30,123 AUD
$21,160 USD
View
A
Retailer 12
-
$30,808 AUD
£17,040 GBP
View
A
Retailer 13
-
$30,922 AUD
$21,721 USD
View
A
Retailer 14
-
$31,238 AUD
$21,943 USD
View
A
Retailer 15
-
$31,409 AUD
$22,063 USD
View
A
Retailer 16
-
$31,630 AUD
$22,218 USD
View
A
Retailer 17
-
$31,874 AUD
$22,390 USD
View
A
Retailer 18
-
$31,874 AUD
$22,390 USD
View
A
Retailer 19
-
$32,633 AUD
$22,923 USD
View
Retailer 20
-
$32,758 AUD
$23,011 USD
View
Price last confirmed 16 days ago
A
Retailer 21
-
$32,942 AUD
$23,140 USD
View
A
Retailer 22
-
$33,049 AUD
$23,215 USD
View
A
Retailer 23
-
$33,889 AUD
$23,805 USD
View
A
Retailer 24
-
$36,226 AUD
$25,447 USD
View
A
Retailer 25
-
$36,550 AUD
€24,452 EUR
View
A
Retailer 26
-
$36,861 AUD
$25,893 USD
View
Retailer 27
-
$38,708 AUD
£21,410 GBP
View
Price last confirmed 31 days ago
B+
Retailer 28
-
$42,675 AUD
$29,977 USD
View
Most Expensive
B+
MOH London
8685CF28E · Oct 29
$47,298 AUD
£26,161 GBP
View
28 more retailers have this diamond
Prices start from $27,638 AUDSave up to $19,661 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.

A
3.15ct Round
$27,638 AUD