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Round|Lab Grown|GIA

4.23ct I VVS2 Round Lab Grown Diamond

EX • I/VVS2 • GIA 2438571663

Certificate GIA 2438571663

Diamond specifications and retailer prices

From $2,379 AUD
$1,673 USD
As of October 28, 2026
Save $6,865 AUD (74%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $11,271 AUD at Taylor and Hart · As of October 27, 2026
View at Taylor and Hart

About this 4.23ct lab-grown round diamond

This 4.23ct lab-grown round sits in the three to five carat band, graded I colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by GIA 2438571663. Listed at 16 retailers as of October 28, 2026, with a 289% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

4.23
Carat
I
Colour
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabGIA
CertificateGIA 2438571663
Dimensions10.51 × 10.45 × 6.32 mm
L/W Ratio1.01
Top View
10.51 mm10.45 mm4.23 ctI / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2438571663
Side View
Table 59.0%CrownGirdle: MediumPavilionCulet: NoneDepth 60.0%

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: Oct 28
Current: $9,244 AUD|Low: $2,015 AUD|High: $17,305 AUD|Avg: $5,648 AUD|+0.5%
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
Taylor and Hart
October 29, 2026
Retailer 5$2,210 AUD
Retailer 3$2,379 AUD
Retailer 9$2,514 AUD
Retailer 11$2,817 AUD
Retailer 4$2,932 AUD
Retailer 8$3,157 AUD
Retailer 12$3,356 AUD
Retailer 10$4,577 AUD
Retailer 6$4,628 AUD
Retailer 7$4,906 AUD
Retailer 13$6,111 AUD
Retailer 1$9,244 AUD
Taylor and Hart$11,271 AUD
Retailer 2$17,305 AUD

17 data points across 14 retailers

16 retailers$2,379 AUD to $9,244 AUD

B+
Cheapest Retailer
-
$2,379 AUD
$1,673 USD
B+
Retailer 2
-
$2,514 AUD
$1,768 USD
View
B+
Retailer 3
-
$2,736 AUD
$1,924 USD
View
B+
Retailer 4
-
$2,817 AUD
$1,981 USD
View
Final sale: no returns
B+
Retailer 5
-
$2,916 AUD
$2,051 USD
View
B+
Retailer 6
-
$2,916 AUD
$2,051 USD
View
Price last confirmed 16 days ago
B+
Retailer 7
-
$3,157 AUD
$2,220 USD
View
B+
Retailer 8
-
$3,356 AUD
$2,360 USD
View
B
Retailer 9
-
$4,425 AUD
$3,112 USD
View
B
Retailer 10
-
$4,577 AUD
$3,219 USD
View
B
Retailer 11
-
$4,628 AUD
$3,255 USD
View
Price last confirmed 8 days ago
B
Retailer 12
-
$4,906 AUD
$3,450 USD
View
B
Retailer 13
-
$6,111 AUD
£3,384 GBP
View
B
Retailer 14
-
$9,244 AUD
£5,119 GBP
View
Most Expensive
B
Taylor and Hart
8YUS02F · Oct 27
$11,271 AUD
$7,927 USD
View
Price under review
14 more retailers have this diamond
Prices start from $2,379 AUDSave up to $6,865 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+
4.23ct Round
$2,379 AUD