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 $2,968 NZD
$1,673 USD
As of October 31, 2026
Save $8,567 NZD (74%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $14,064 NZD at Taylor and Hart · As of October 30, 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 29, 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 31
Current: $11,535 NZD|Low: $2,514 NZD|High: $21,593 NZD|Avg: $7,047 NZD|+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$2,758 NZD
Retailer 3$2,968 NZD
Retailer 9$3,137 NZD
Retailer 11$3,515 NZD
Retailer 4$3,659 NZD
Retailer 8$3,939 NZD
Retailer 12$4,187 NZD
Retailer 10$5,711 NZD
Retailer 6$5,775 NZD
Retailer 7$6,121 NZD
Retailer 13$7,625 NZD
Retailer 1$11,535 NZD
Taylor and Hart$14,064 NZD
Retailer 2$21,593 NZD

17 data points across 14 retailers

16 retailers$2,968 NZD to $11,535 NZD

B+
Cheapest Retailer
-
$2,968 NZD
$1,673 USD
B+
Retailer 2
-
$3,137 NZD
$1,768 USD
View
B+
Retailer 3
-
$3,414 NZD
$1,924 USD
View
B+
Retailer 4
-
$3,515 NZD
$1,981 USD
View
Final sale: no returns
B+
Retailer 5
-
$3,639 NZD
$2,051 USD
View
Retailer 6
-
$3,639 NZD
$2,051 USD
View
Price last confirmed 18 days ago
B+
Retailer 7
-
$3,939 NZD
$2,220 USD
View
B+
Retailer 8
-
$4,187 NZD
$2,360 USD
View
B
Retailer 9
-
$5,522 NZD
$3,112 USD
View
B
Retailer 10
-
$5,711 NZD
$3,219 USD
View
Retailer 11
-
$5,775 NZD
$3,255 USD
View
Price last confirmed 10 days ago
B
Retailer 12
-
$6,121 NZD
$3,450 USD
View
B
Retailer 13
-
$7,625 NZD
£3,384 GBP
View
B
Retailer 14
-
$11,535 NZD
£5,119 GBP
View
Most Expensive
Taylor and Hart
8YUS02F · Oct 30
$14,064 NZD
$7,927 USD
View
Price under review
14 more retailers have this diamond
Prices start from $2,968 NZDSave up to $8,567 NZD

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
$2,968 NZD