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Radiant|Lab Grown|IGI

4.02ct D FL Radiant Lab Grown Diamond

EX • D/FL • IGI LG833668426

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

Certificate IGI LG833668426

Diamond specifications and retailer prices

From $7,479 NZD
$4,215 USD
As of October 31, 2026
Save $41,119 NZD (85%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $48,598 NZD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 4.02ct lab-grown radiant diamond

This 4.02ct lab-grown radiant sits in the three to five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG833668426 or 833668426. Listed at 18 retailers as of October 31, 2026, with prices from $7,479 to $48,598, a $41,119 spread on the same certified stone. Do Amore Diamonds lists it at $48,598. 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

4.02
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.3°
Pavilion angle35.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG833668426
Dimensions11.23 × 7.94 × 5.27 mm
L/W Ratio1.41
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
11.23 mm7.94 mm4.02 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG833668426
Side View
Table 64.0%Crown 42.3°Girdle: MED-STKPavilion 35.3°Culet: NoneDepth 66.4%

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: Oct 31
Current: $48,598 NZD|Low: $7,556 NZD|High: $48,598 NZD|Avg: $18,146 NZD
Do Amore Diamonds
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
Retailer 17
Retailer 18
October 31, 2026
Retailer 15$7,556 NZD
Retailer 18$7,910 NZD
Retailer 7$8,169 NZD
Retailer 12$8,295 NZD
Retailer 5$8,309 NZD
Retailer 13$10,868 NZD
Retailer 11$11,630 NZD
Retailer 16$12,736 NZD
Retailer 2$14,012 NZD
Retailer 9$14,274 NZD
Retailer 4$18,827 NZD
Retailer 17$19,249 NZD
Retailer 6$20,156 NZD
Retailer 14$22,556 NZD
Retailer 10$24,747 NZD
Retailer 8$32,262 NZD
Retailer 3$40,364 NZD
Do Amore Diamonds$48,598 NZD

4 data points across 18 retailers

18 retailers$7,479 NZD to $48,598 NZD

A
Cheapest Retailer
-
$7,479 NZD
$4,215 USD
A
Retailer 2
-
$7,556 NZD
£3,353 GBP
View
A
Retailer 3
-
$7,910 NZD
$4,458 USD
View
Final sale: no returns
A
Retailer 4
-
$8,169 NZD
$4,604 USD
View
A
Retailer 5
-
$8,295 NZD
$4,675 USD
View
A
Retailer 6
-
$10,868 NZD
$6,125 USD
View
A
Retailer 7
-
$11,630 NZD
£5,161 GBP
View
B+
Retailer 8
-
$12,736 NZD
£5,652 GBP
View
B+
Retailer 9
-
$14,012 NZD
€7,521 EUR
View
B+
Retailer 10
-
$14,274 NZD
$8,045 USD
View
B+
Retailer 11
-
$18,827 NZD
£8,355 GBP
View
B+
Retailer 12
-
$19,249 NZD
ZAR 175,267 ZAR
View
B
Retailer 13
-
$20,156 NZD
$11,360 USD
View
B
Retailer 14
-
$22,556 NZD
$12,713 USD
View
B
Retailer 15
-
$24,747 NZD
$13,947 USD
View
B
Retailer 16
-
$32,262 NZD
$18,183 USD
View
B
Retailer 17
-
$40,364 NZD
$22,749 USD
View
Most Expensive
B
Do Amore Diamonds
27-AE3080ABF · Oct 31
$48,598 NZD
$27,390 USD
View
17 more retailers have this diamond
Prices start from $7,479 NZDSave up to $41,119 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
4.02ct Radiant
$7,479 NZD