Oval|Lab Grown|IGI

4.00ct D IF Oval Lab Grown Diamond

EX • D/IF • IGI LG841645925

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG841645925

Diamond specifications and retailer prices

From $2,690 USD
£2,118 GBP
As of October 30, 2026
Save $16,940 USD (86%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $19,630 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 4ct lab-grown oval diamond

This 4ct lab-grown oval 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 IGI LG841645925 or 841645925. Listed at 23 retailers as of October 29, 2026, with prices from $2,690 to $19,630, a $16,940 spread on the same certified stone. Brilliant Earth lists it at $19,630. 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
D
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.1°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG841645925
Dimensions12.64 × 8.99 × 5.55 mm
L/W Ratio1.41
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
12.64 mm8.99 mm4.00 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG841645925
Side View
Table 60.0%Crown 37.1°Girdle: THN-MEDPavilion 40.2°Culet: NoneDepth 61.7%

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 30
Current: $19,630 USD|Low: $2,690 USD|High: $19,630 USD|Avg: $6,385 USD
Brilliant Earth
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
Retailer 19
Retailer 20
Retailer 21
Retailer 22
Retailer 23
Retailer 24
October 30, 2026
Retailer 13$2,690 USD
Retailer 20$2,776 USD
Retailer 6$3,042 USD
Retailer 9$3,243 USD
Retailer 14$3,243 USD
Retailer 11$3,357 USD
Retailer 8$3,405 USD
Retailer 12$4,176 USD
Retailer 18$4,350 USD
Retailer 15$4,458 USD
Retailer 5$4,660 USD
Retailer 4$4,993 USD
Retailer 7$5,046 USD
Retailer 10$5,173 USD
Retailer 21$5,547 USD
Retailer 3$6,450 USD
Retailer 22$6,903 USD
Retailer 24$6,959 USD
Retailer 16$8,204 USD
Retailer 23$8,264 USD
Retailer 2$8,976 USD
Retailer 19$11,223 USD
Retailer 17$15,287 USD
Brilliant Earth$19,630 USD

26 data points across 24 retailers

23 retailers$2,690 USD to $19,630 USD

A
Cheapest Retailer
-
$2,690 USD
£2,118 GBP
A
Retailer 2
-
$2,776 USD
View
A
Retailer 3
-
$3,042 USD
View
Retailer 4
-
$3,243 USD
View
Price last confirmed 17 days ago
A
Retailer 5
-
$3,243 USD
View
A
Retailer 6
-
$3,357 USD
View
A
Retailer 7
-
$3,405 USD
View
A
Retailer 8
-
$4,176 USD
View
Final sale: no returns
A
Retailer 9
-
$4,350 USD
£3,425 GBP
View
A
Retailer 10
-
$4,458 USD
View
A
Retailer 11
-
$4,660 USD
View
A
Retailer 12
-
$5,046 USD
View
A
Retailer 13
-
$5,173 USD
View
A
Retailer 14
-
$5,547 USD
£4,368 GBP
View
B+
Retailer 15
-
$6,450 USD
View
B+
Retailer 16
-
$6,903 USD
ZAR 111,522 ZAR
View
Retailer 17
-
$6,959 USD
A$10,706 AUD
View
Price last confirmed 8 days ago
B+
Retailer 18
-
$8,204 USD
View
B+
Retailer 19
-
$8,264 USD
£6,507 GBP
View
B+
Retailer 20
-
$8,976 USD
View
B+
Retailer 21
-
$11,223 USD
View
Retailer 22
-
$15,287 USD
A$23,518 AUD
View
Price last confirmed 21 days ago
Most Expensive
B
Brilliant Earth
21696522A · Oct 29
$19,630 USD
View
22 more retailers have this diamond
Prices start from $2,690 USDSave up to $16,940 USD

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 Oval
$2,690 USD