CaratHunter
Plans
Round|Lab Grown|GIA

4.30ct D IF Round Lab Grown Diamond

EX • D/IF

Diamond specifications and retailer prices

From $8,883 NZD
£3,942 GBP
As of November 1, 2026
Save $19,158 NZD (68%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $28,041 NZD at Blue Nile · As of October 31, 2026
View at Blue Nile

About this 4.3ct lab-grown round diamond

This 4.3ct lab-grown round sits in the three to five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA. Listed at 2 retailers as of October 31, 2026, with prices from $8,883 to $28,041, a $19,158 spread on the same certified stone. Blue Nile lists it at $28,041. 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

4.30
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabGIA
Dimensions10.47 × 10.49 × 6.37 mm
L/W Ratio1.00
Top View
10.47 mm10.49 mm4.30 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA
Side View
Table 58.0%CrownGirdle: Medium to Slightly ThickPavilionCulet: NoneDepth 60.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $28,041 NZD|Low: $8,883 NZD|High: $50,938 NZD|Avg: $20,168 NZD|-8.8%
Blue Nile
Retailer 2
November 1, 2026
Retailer 2$8,883 NZD
Blue Nile$28,041 NZD

19 data points across 2 retailers

2 retailers$8,883 NZD to $28,041 NZD

A
Cheapest Retailer
-
$8,883 NZD
£3,942 GBP
Most Expensive
B
Blue Nile
27425274 · Oct 31
$28,041 NZD
$15,804 USD
View
1 more retailer has this diamond
Prices start from $8,883 NZDSave up to $19,158 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.

A
4.30ct Round
$8,883 NZD