Round|Lab Grown|IGI

4.00ct E FL Round Lab Grown Diamond

EX • E/FL • IGI LG804655836

Shape and cutting style on the report: Round brilliant

Certificate IGI LG804655836

Diamond specifications and retailer prices

From $7,326 NZD
$4,129 USD
As of October 31, 2026
Save $21,027 NZD (74%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $28,353 NZD at Do Amore Diamonds · As of November 1, 2026
View at Do Amore Diamonds

About this 4ct lab-grown round diamond

This 4ct lab-grown round sits in the three to five carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG804655836 or 804655836. Listed at 8 retailers as of October 31, 2026, with prices from $7,326 to $28,353, a $21,027 spread on the same certified stone. Do Amore Diamonds lists it at $28,353. 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

4.00
Carat
E
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804655836
Dimensions10.16 × 10.08 × 6.35 mm
L/W Ratio1.01
Girdle conditionFaceted
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
10.16 mm10.08 mm4.00 ctE / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804655836
Side View
Table 54.0%Crown 35.5°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 62.7%

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: $28,353 NZD|Low: $4,501 NZD|High: $31,583 NZD|Avg: $13,180 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
October 30, 2026
Retailer 15$4,501 NZD
Retailer 3$6,104 NZD
Retailer 11$7,326 NZD
Retailer 9$7,328 NZD
Retailer 12$7,459 NZD
Retailer 5$7,699 NZD
Retailer 14$8,368 NZD
Retailer 13$11,191 NZD
Retailer 6$11,789 NZD
Retailer 10$12,012 NZD
Retailer 8$14,147 NZD
Retailer 7$19,854 NZD
Retailer 4$22,494 NZD
Retailer 2$24,627 NZD
Do Amore Diamonds$28,353 NZD

10 data points across 15 retailers

8 retailers$7,326 NZD to $28,353 NZD

A
Cheapest Retailer
-
$7,326 NZD
$4,129 USD
A
Retailer 2
-
$7,328 NZD
$4,130 USD
View
A
Retailer 3
-
$7,459 NZD
$4,204 USD
View
B+
Retailer 4
-
$11,191 NZD
$6,307 USD
View
B+
Retailer 5
-
$12,012 NZD
$6,770 USD
View
B+
Retailer 6
-
$14,147 NZD
£6,278 GBP
View
B
Retailer 7
-
$24,627 NZD
$13,880 USD
View
Most Expensive
B
Do Amore Diamonds
27-C3D5D0E7B · Nov 1
$28,353 NZD
$15,980 USD
View
7 more retailers have this diamond
Prices start from $7,326 NZDSave up to $21,027 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
4.00ct Round
$7,326 NZD