CaratHunter
Plans
Radiant|Lab Grown|IGI

4.06ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG768629395

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

Certificate IGI LG768629395

Diamond specifications and retailer prices

From $7,108 NZD
$4,006 USD
As of November 1, 2026
Save $21,437 NZD (75%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $28,545 NZD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 4.06ct lab-grown radiant diamond

This 4.06ct 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 LG768629395 or 768629395. Listed at 14 retailers as of October 31, 2026, with prices from $7,108 to $28,545, a $21,437 spread on the same certified stone. Taylor and Hart lists it at $28,545. 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

4.06
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.6°
Pavilion angle34.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG768629395
Dimensions11.17 × 8.09 × 5.30 mm
L/W Ratio1.38
Culet sizePointed
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
11.17 mm8.09 mm4.06 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG768629395
Side View
Table 62.0%Crown 39.6°Girdle: STK-THKPavilion 34.6°Culet: NoneDepth 65.5%

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: $10,478 NZD|Low: $7,108 NZD|High: $37,692 NZD|Avg: $17,300 NZD|-28.2%
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
November 1, 2026
Retailer 12$7,108 NZD
Retailer 13$7,486 NZD
Retailer 2$10,175 NZD
Retailer 1$10,478 NZD
Retailer 11$12,335 NZD
Retailer 6$13,108 NZD
Retailer 4$14,097 NZD
Retailer 7$17,144 NZD
Retailer 8$17,346 NZD
Retailer 3$18,424 NZD
Retailer 9$21,553 NZD
Retailer 5$22,001 NZD
Retailer 10$28,110 NZD
Taylor and Hart$28,545 NZD

37 data points across 14 retailers

14 retailers$7,108 NZD to $28,545 NZD

A
Cheapest Retailer
-
$7,108 NZD
$4,006 USD
A
Retailer 2
-
$7,486 NZD
$4,219 USD
View
A
Retailer 3
-
$10,175 NZD
HK$44,800 HKD
View
A
Retailer 4
-
$10,478 NZD
£4,650 GBP
View
A
Retailer 5
-
$12,335 NZD
$6,952 USD
View
B+
Retailer 6
-
$13,108 NZD
€7,036 EUR
View
Retailer 7
-
$14,097 NZD
$7,945 USD
View
Price last confirmed 17 days ago
B+
Retailer 8
-
$17,144 NZD
ZAR 156,094 ZAR
View
B+
Retailer 9
-
$17,346 NZD
£7,698 GBP
View
B+
Retailer 10
-
$18,424 NZD
$10,384 USD
View
B+
Retailer 11
-
$21,553 NZD
$12,148 USD
View
B
Retailer 12
-
$22,001 NZD
$12,400 USD
View
B
Retailer 13
-
$28,110 NZD
$15,843 USD
View
Most Expensive
B
Taylor and Hart
SWLG57F · Oct 31
$28,545 NZD
$16,088 USD
View
13 more retailers have this diamond
Prices start from $7,108 NZDSave up to $21,437 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
4.06ct Radiant
$7,108 NZD