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Round|Natural|GIA

1.51ct I VVS1 Round Natural Diamond

VG • I/VVS1 • GIA 6227947820

Certificate GIA 6227947820

Diamond specifications and retailer prices

From $18,804 AUD
As of November 4, 2026
Save $14,115 AUD (43%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $32,919 AUD at MOH London · As of November 4, 2026
View at MOH London

About this 1.51ct natural round diamond

This 1.51ct natural round sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a very-good cut grade and certified by GIA 6227947820. Listed at 15 retailers as of November 4, 2026, with prices from $18,804 to $32,919, a $14,115 spread on the same certified stone. MOH London lists it at $32,919. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.51
Carat
I
Colour
VVS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.5°
Pavilion angle40.4°
OriginNatural
Grading LabGIA
CertificateGIA 6227947820
Dimensions7.26 × 7.20 × 4.55 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Top View
7.26 mm7.20 mm1.51 ctI / VVS1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6227947820
Side View
Table 58.0%Crown 37.5°Girdle: Slightly ThickPavilion 40.4°Culet: NoneDepth 62.9%

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 4
Current: $32,919 AUD|Low: $18,396 AUD|High: $33,405 AUD|Avg: $22,600 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
Retailer 13
Retailer 14
Retailer 15
November 6, 2026
Retailer 6$18,396 AUD
Retailer 7$18,396 AUD
Retailer 11$18,804 AUD
Retailer 14$19,430 AUD
Retailer 4$19,518 AUD
Retailer 15$20,253 AUD
Retailer 13$20,739 AUD
Retailer 5$21,135 AUD
Retailer 3$21,505 AUD
Retailer 9$21,745 AUD
Retailer 12$22,206 AUD
Retailer 2$25,020 AUD
Retailer 10$25,443 AUD
Retailer 8$30,836 AUD
MOH London$32,919 AUD

26 data points across 15 retailers

15 retailers$18,804 AUD to $32,919 AUD

B+
Cheapest Retailer
-
$18,804 AUD
B
Retailer 2
-
$19,430 AUD
View
B
Retailer 3
-
$19,518 AUD
View
Price last confirmed 7 days ago
B
Retailer 4
-
$20,253 AUD
View
Final sale: no returns
B
Retailer 5
-
$20,739 AUD
View
B
Retailer 6
-
$21,505 AUD
View
B
Retailer 7
-
$21,745 AUD
View
Retailer 8
-
$22,206 AUD
View
Price last confirmed 14 days ago
Retailer 9
-
$22,896 AUD
View
Price last confirmed 50 days ago
Retailer 10
-
$23,777 AUD
View
Price last confirmed 45 days ago
B
Retailer 11
-
$25,020 AUD
View
B
Retailer 12
-
$25,443 AUD
View
Retailer 13
-
$29,940 AUD
View
Price last confirmed 46 days ago
B
Retailer 14
-
$30,836 AUD
View
Most Expensive
B
MOH London
C76EEA11A · Nov 4
$32,919 AUD
£17,810 GBP
View
14 more retailers have this diamond
Prices start from $18,804 AUDSave up to $14,115 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
$18,804 AUD