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Round|Lab Grown|GIA

5.23ct H VS1 Round Lab Grown Diamond

EX • H/VS1 • GIA 5221275374

Certificate GIA 5221275374

Diamond specifications and retailer prices

From $4,058 NZD
$2,287 USD
As of October 31, 2026
Save $10,895 NZD (73%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $19,368 NZD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 5.23ct lab-grown round diamond

This 5.23ct lab-grown round sits in the over five carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by GIA 5221275374. Listed at 15 retailers as of October 29, 2026, with a 269% 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

5.23
Carat
H
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabGIA
CertificateGIA 5221275374
Dimensions11.15 × 11.12 × 6.87 mm
L/W Ratio1.00
Top View
11.15 mm11.12 mm5.23 ctH / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5221275374
Side View
Table 57.0%CrownGirdle: ThickPavilionCulet: NoneDepth 62.0%

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: $14,953 NZD|Low: $3,476 NZD|High: $29,844 NZD|Avg: $8,751 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
Retailer 14
Retailer 15
Retailer 16
Taylor and Hart
October 29, 2026
Retailer 6$4,058 NZD
Retailer 11$4,338 NZD
Retailer 16$4,720 NZD
Retailer 14$4,860 NZD
Retailer 8$4,899 NZD
Retailer 12$5,034 NZD
Retailer 10$5,323 NZD
Retailer 15$5,470 NZD
Retailer 4$6,269 NZD
Retailer 7$6,340 NZD
Retailer 9$7,546 NZD
Retailer 2$7,637 NZD
Retailer 13$7,846 NZD
Retailer 3$9,572 NZD
Retailer 1$14,953 NZD
Taylor and Hart$19,368 NZD
Retailer 5$29,844 NZD

18 data points across 17 retailers

15 retailers$4,058 NZD to $14,953 NZD

B+
Cheapest Retailer
-
$4,058 NZD
$2,287 USD
B+
Retailer 2
-
$4,338 NZD
$2,445 USD
View
B+
Retailer 3
-
$4,720 NZD
$2,660 USD
View
B+
Retailer 4
-
$4,860 NZD
$2,739 USD
View
Final sale: no returns
B+
Retailer 5
-
$5,034 NZD
$2,837 USD
View
Retailer 6
-
$5,034 NZD
$2,837 USD
View
Price last confirmed 19 days ago
B+
Retailer 7
-
$5,323 NZD
$3,000 USD
View
B
Retailer 8
-
$5,470 NZD
$3,083 USD
View
B
Retailer 9
-
$7,546 NZD
$4,253 USD
View
B
Retailer 10
-
$7,637 NZD
$4,304 USD
View
B
Retailer 11
-
$7,846 NZD
$4,422 USD
View
B
Retailer 12
-
$9,572 NZD
£4,248 GBP
View
B
Retailer 13
-
$14,953 NZD
£6,636 GBP
View
Most Expensive
Taylor and Hart
TA42TFJ · Oct 31
$19,368 NZD
$10,916 USD
View
Price under review
13 more retailers have this diamond
Prices start from $4,058 NZDSave up to $10,895 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+
5.23ct Round
$4,058 NZD