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Round|Lab Grown|IGI

4.05ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG769629202

Certificate IGI LG769629202

Diamond specifications and retailer prices

From $2,470 USD
Save $10,740 USD (81%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $13,210 USD at Brilliant Earth
View at Brilliant Earth

About this 4.05ct lab-grown round diamond

This 4.05ct lab-grown round 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 LG769629202 or 769629202. Listed at 17 retailers, with prices from $2,470 to $13,210 at Brilliant Earth, a $10,740 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG769629202
Dimensions10.26 × 10.32 × 6.26 mm
L/W Ratio1.01
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
10.26 mm10.32 mm4.05 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG769629202
Side View
Table 59.0%Crown 35.1°Girdle: MediumPavilion 40.8°Culet: NoneDepth 60.8%

Caratlytics Score

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

Price History

Last verified: Oct 1
Current: $13,210 USD|Low: $1,587 USD|High: $14,250 USD|Avg: $5,142 USD|-7.3%
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
October 1, 2026
Retailer 12$2,470 USD
Retailer 16$2,553 USD
Retailer 13$3,147 USD
Retailer 11$3,160 USD
Retailer 10$3,465 USD
Retailer 2$3,589 USD
Retailer 7$3,875 USD
Retailer 8$4,424 USD
Retailer 14$4,815 USD
Retailer 15$4,941 USD
Retailer 4$6,009 USD
Retailer 3$6,423 USD
Retailer 5$6,573 USD
Retailer 9$6,659 USD
Retailer 6$8,064 USD
Brilliant Earth$13,210 USD

36 data points across 16 retailers

17 retailers$2,470 USD to $13,210 USD

A
Cheapest Retailer
-
$2,470 USD
A
Retailer 2
-
$2,553 USD
View
A
Retailer 3
-
$3,154 USD
£2,483 GBP
View
A
Retailer 4
-
$3,160 USD
View
A
Retailer 5
-
$3,465 USD
View
A
Retailer 6
-
$3,589 USD
€3,418 EUR
View
A
Retailer 7
-
$3,875 USD
View
A
Retailer 8
-
$4,424 USD
View
A
Retailer 9
-
$4,815 USD
ZAR 77,788 ZAR
View
A
Retailer 10
-
$4,941 USD
A$7,602 AUD
View
A
Retailer 11
-
$6,009 USD
View
B+
Retailer 12
-
$6,423 USD
View
B+
Retailer 13
-
$6,573 USD
View
B+
Retailer 14
-
$6,659 USD
£5,243 GBP
View
B+
Retailer 15
-
$6,709 USD
View
B+
Retailer 16
-
$8,064 USD
View
Most Expensive
B
Brilliant Earth
17480178A · Oct 1
$13,210 USD
View
16 more retailers have this diamond
Prices start from $2,470 USDSave up to $10,740 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 Round
$2,470 USD