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Round|Natural|GIA

1.51ct H VS2 Round Natural Diamond

EX • H/VS2 • GIA 2126429613

Certificate GIA 2126429613

Diamond specifications and retailer prices

From $17,605 AUD
As of November 1, 2026
Save $13,588 AUD (44%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $37,045 AUD at Diamond Quarter · As of November 2, 2026
View at Diamond Quarter

About this 1.51ct natural round diamond

This 1.51ct natural round sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by GIA 2126429613. Listed at 21 retailers as of November 1, 2026, with a 77% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
H
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
Crown angle36°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2126429613
Dimensions7.31 × 7.27 × 4.58 mm
L/W Ratio1.01
Star length45%
Lower girdle75%
Culet sizeNone
Top View
7.31 mm7.27 mm1.51 ctH / VS2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateGIA 2126429613
Side View
Table 57.0%Crown 36°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.8%

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 1
Current: $24,064 AUD|Low: $17,605 AUD|High: $33,012 AUD|Avg: $23,490 AUD|-2.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
November 5, 2026
Retailer 5$17,605 AUD
Retailer 6$18,308 AUD
Retailer 3$18,580 AUD
Retailer 18$18,740 AUD
Retailer 16$19,658 AUD
Retailer 13$20,017 AUD
Retailer 8$20,027 AUD
Retailer 12$21,029 AUD
Retailer 4$21,361 AUD
Retailer 9$21,522 AUD
Retailer 2$21,695 AUD
Retailer 11$22,530 AUD
Retailer 7$22,737 AUD
Retailer 19$22,737 AUD
Retailer 17$23,240 AUD
Retailer 20$23,492 AUD
Retailer 1$24,064 AUD
Retailer 10$28,370 AUD
Retailer 15$29,421 AUD
Retailer 14$31,193 AUD

39 data points across 20 retailers

21 retailers$17,605 AUD to $31,193 AUD

B+
Cheapest Retailer
-
$17,605 AUD
B
Retailer 2
-
$18,308 AUD
View
B
Retailer 3
-
$18,580 AUD
View
B
Retailer 4
-
$18,740 AUD
View
B
Retailer 5
-
$19,658 AUD
View
B
Retailer 6
-
$20,017 AUD
View
Final sale: no returns
B
Retailer 7
-
$20,027 AUD
View
B
Retailer 8
-
$21,029 AUD
View
B
Retailer 9
-
$21,361 AUD
View
Retailer 10
-
$21,522 AUD
View
Price last confirmed 13 days ago
B
Retailer 11
-
$21,695 AUD
View
B
Retailer 12
-
$22,530 AUD
View
B
Retailer 13
-
$22,737 AUD
View
B
Retailer 14
-
$22,737 AUD
View
B
Retailer 15
-
$23,240 AUD
View
B
Retailer 16
-
$23,492 AUD
View
B
Retailer 17
-
$24,064 AUD
View
B
Retailer 18
-
$28,370 AUD
View
B
Retailer 19
-
$29,421 AUD
View
B
Retailer 20
-
$31,193 AUD
View
Most Expensive
Diamond Quarter
1.51VS2H21134E4CN · Nov 2
$37,045 AUD
£20,463 GBP
View
Price under review
20 more retailers have this diamond
Prices start from $17,605 AUDSave up to $13,588 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+
1.51ct Round
$17,605 AUD