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Oval|Lab Grown|IGI

4.25ct D IF Oval Lab Grown Diamond

EX • D/IF • IGI LG770634058

Certificate IGI LG770634058

Diamond specifications and retailer prices

From $3,374 USD
Save $8,798 USD (72%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $12,172 USD at Taylor and Hart
View at Taylor and Hart

About this 4.25ct lab-grown oval diamond

This 4.25ct 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 LG770634058 or 770634058. Listed at 15 retailers, with prices from $3,374 to $12,172 at Taylor and Hart, a $8,798 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

4.25
Carat
D
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG770634058
Dimensions13.22 × 9.04 × 5.66 mm
L/W Ratio1.46
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
13.22 mm9.04 mm4.25 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG770634058
Side View
Table 60.0%Crown 35.3°Girdle: MED-STKPavilion 39.1°Culet: NoneDepth 62.6%

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: $5,433 USD|Low: $2,463 USD|High: $13,447 USD|Avg: $6,665 USD|+1.7%
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
Retailer 14
Taylor and Hart
October 1, 2026
Retailer 5$3,374 USD
Retailer 12$3,593 USD
Retailer 2$3,655 USD
Retailer 7$4,824 USD
Retailer 4$5,129 USD
Retailer 10$5,165 USD
Retailer 1$5,433 USD
Retailer 13$5,789 USD
Retailer 3$6,035 USD
Retailer 8$7,497 USD
Retailer 9$8,967 USD
Retailer 11$9,448 USD
Retailer 6$9,512 USD
Retailer 14$9,699 USD
Taylor and Hart$12,172 USD

34 data points across 15 retailers

15 retailers$3,374 USD to $12,172 USD

A
Cheapest Retailer
-
$3,374 USD
A
Retailer 2
-
$3,593 USD
View
A
Retailer 3
-
$3,655 USD
View
A
Retailer 4
-
$4,835 USD
£3,807 GBP
View
A
Retailer 5
-
$5,129 USD
View
A
Retailer 6
-
$5,165 USD
€4,919 EUR
View
A
Retailer 7
-
$5,433 USD
View
A
Retailer 8
-
$5,789 USD
View
A
Retailer 9
-
$6,035 USD
£4,752 GBP
View
B+
Retailer 10
-
$7,497 USD
A$11,534 AUD
View
B+
Retailer 11
-
$8,967 USD
£7,061 GBP
View
B+
Retailer 12
-
$9,448 USD
View
B+
Retailer 13
-
$9,512 USD
£7,490 GBP
View
B+
Retailer 14
-
$9,699 USD
View
Most Expensive
B
Taylor and Hart
CKVWCD6 · Oct 1
$12,172 USD
View
14 more retailers have this diamond
Prices start from $3,374 USDSave up to $8,798 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
4.25ct Oval
$3,374 USD