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Radiant|Lab Grown|IGI

4.03ct F VS1 Radiant Lab Grown Diamond

ID • F/VS1 • IGI LG815648612

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG815648612

Diamond specifications and retailer prices

From $2,097 NZD
$1,182 USD
As of November 2, 2026
Save $7,430 NZD (78%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $18,630 NZD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 4.03ct lab-grown radiant diamond

This 4.03ct lab-grown radiant sits in the three to five carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG815648612 or 815648612. Listed at 17 retailers as of October 31, 2026, with a 354% 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

4.03
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.8°
Pavilion angle32.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG815648612
Dimensions13.14 × 7.32 × 4.74 mm
L/W Ratio1.80
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.14 mm7.32 mm4.03 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG815648612
Side View
Table 69.0%Crown 43.8°Girdle: STK-THKPavilion 32.1°Culet: NoneDepth 64.8%

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 2
Current: $3,786 NZD|Low: $2,014 NZD|High: $8,745 NZD|Avg: $4,716 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
November 2, 2026
Retailer 11$2,097 NZD
Retailer 4$2,282 NZD
Retailer 12$2,433 NZD
Retailer 10$2,741 NZD
Retailer 9$3,424 NZD
Retailer 1$3,786 NZD
Retailer 3$4,794 NZD
Retailer 2$5,034 NZD
Retailer 8$5,716 NZD
Retailer 7$5,754 NZD
Retailer 5$6,490 NZD
Retailer 13$6,982 NZD
Retailer 6$8,628 NZD

46 data points across 13 retailers

17 retailers$2,097 NZD to $9,527 NZD

A
Cheapest Retailer
-
$2,097 NZD
$1,182 USD
A
Retailer 2
-
$2,282 NZD
$1,286 USD
View
A
Retailer 3
-
$2,374 NZD
$1,338 USD
View
A
Retailer 4
-
$2,433 NZD
$1,371 USD
View
Retailer 5
-
$2,433 NZD
$1,371 USD
View
Price last confirmed 16 days ago
A
Retailer 6
-
$2,741 NZD
$1,545 USD
View
B+
Retailer 7
-
$3,424 NZD
$1,930 USD
View
B+
Retailer 8
-
$3,786 NZD
£1,680 GBP
View
B
Retailer 9
-
$4,794 NZD
$2,702 USD
View
B
Retailer 10
-
$5,034 NZD
$2,837 USD
View
B+
Retailer 11
-
$5,716 NZD
ZAR 52,048 ZAR
View
B
Retailer 12
-
$5,754 NZD
A$4,989 AUD
View
B
Retailer 13
-
$6,490 NZD
£2,880 GBP
View
B
Retailer 14
-
$6,982 NZD
$3,935 USD
View
B
Retailer 15
-
$8,628 NZD
£3,829 GBP
View
B
Retailer 16
-
$9,527 NZD
$5,369 USD
View
Most Expensive
Do Amore Diamonds
27-546075DF0 · Nov 2
$18,630 NZD
$10,500 USD
View
Price under review
16 more retailers have this diamond
Prices start from $2,097 NZDSave up to $7,430 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
4.03ct Radiant
$2,097 NZD