CaratHunter
Plans
Oval|Lab Grown|IGI

4.05ct D IF Oval Lab Grown Diamond

EX • D/IF • IGI LG685560546

Certificate IGI LG685560546

Diamond specifications and retailer prices

From $3,070 USD
Save $17,420 USD (85%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $20,490 USD at Brilliant Earth
View at Brilliant Earth

About this 4.05ct lab-grown oval diamond

This 4.05ct 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 LG685560546 or 685560546. Listed at 24 retailers, with prices from $3,070 to $20,490 at Brilliant Earth, a $17,420 spread on the same certified stone. 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

4.05
Carat
D
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG685560546
Dimensions12.98 × 9.11 × 5.61 mm
L/W Ratio1.42
Girdle conditionFaceted
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
12.98 mm9.11 mm4.05 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG685560546
Side View
Table 60.0%Crown 35.6°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 61.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0-100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 1
Current: $20,490 USD|Low: $2,192 USD|High: $20,540 USD|Avg: $7,628 USD|-0.2%
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
October 1, 2026
Retailer 4$3,070 USD
Retailer 22$3,229 USD
Retailer 7$3,340 USD
Retailer 11$3,686 USD
Retailer 16$4,392 USD
Retailer 10$4,875 USD
Retailer 20$4,940 USD
Retailer 13$4,951 USD
Retailer 8$5,260 USD
Retailer 5$5,486 USD
Retailer 6$6,167 USD
Retailer 17$6,648 USD
Retailer 19$6,822 USD
Retailer 18$8,619 USD
Retailer 3$8,739 USD
Retailer 12$8,873 USD
Retailer 15$8,915 USD
Retailer 21$10,667 USD
Retailer 14$11,088 USD
Retailer 9$11,452 USD
Retailer 2$15,437 USD
Brilliant Earth$20,490 USD

37 data points across 22 retailers

24 retailers$3,070 USD to $20,490 USD

A
Cheapest Retailer
-
$3,070 USD
A
Retailer 2
-
$3,229 USD
View
A
Retailer 3
-
$3,340 USD
View
A
Retailer 4
-
$3,686 USD
HK$28,800 HKD
View
A
Retailer 5
-
$4,360 USD
£3,433 GBP
View
Price last confirmed 8 days ago
A
Retailer 6
-
$4,398 USD
£3,463 GBP
View
A
Retailer 7
-
$4,875 USD
View
A
Retailer 8
-
$4,940 USD
€4,705 EUR
View
A
Retailer 9
-
$4,951 USD
View
A
Retailer 10
-
$5,260 USD
View
A
Retailer 11
-
$5,486 USD
£4,320 GBP
View
A
Retailer 12
-
$6,167 USD
A$9,488 AUD
View
A
Retailer 13
-
$6,648 USD
ZAR 107,401 ZAR
View
A
Retailer 14
-
$6,822 USD
A$10,496 AUD
View
B+
Retailer 15
-
$8,619 USD
£6,787 GBP
View
B+
Retailer 16
-
$8,676 USD
View
B+
Retailer 17
-
$8,739 USD
View
B+
Retailer 18
-
$8,873 USD
View
B+
Retailer 19
-
$8,915 USD
£7,020 GBP
View
B+
Retailer 20
-
$10,667 USD
SGD 14,415 SGD
View
B+
Retailer 21
-
$11,088 USD
View
B+
Retailer 22
-
$11,686 USD
View
B
Retailer 23
-
$15,437 USD
A$23,749 AUD
View
Most Expensive
B
Brilliant Earth
14267545A · Oct 1
$20,490 USD
View
23 more retailers have this diamond
Prices start from $3,070 USDSave up to $17,420 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.

A
4.05ct Oval
$3,070 USD