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Oval|Lab Grown|IGI

4.03ct G IF Oval Lab Grown Diamond

EX • G/IF • IGI LG598306431

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG598306431

Diamond specifications and retailer prices

From $2,128 USD
£1,675 GBP
As of November 1, 2026
Save $6,497 USD (75%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $8,625 USD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 4.03ct lab-grown oval diamond

This 4.03ct lab-grown oval sits in the three to five carat band, graded G colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG598306431 or 598306431. Listed at 16 retailers as of October 31, 2026, with prices from $2,128 to $8,625, a $6,497 spread on the same certified stone. Taylor and Hart lists it at $8,625. 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

4.03
Carat
G
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG598306431
Dimensions12.88 × 8.99 × 5.43 mm
L/W Ratio1.43
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
12.88 mm8.99 mm4.03 ctG / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG598306431
Side View
Table 60.0%Crown 34.2°Girdle: MED-STKPavilion 39.5°Culet: NoneDepth 60.5%

Caratlytics Score

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

Price History

Last verified: Nov 1
Current: $6,693 USD|Low: $2,127 USD|High: $31,010 USD|Avg: $5,174 USD|-62.5%
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
Retailer 15
Taylor and Hart
November 1, 2026
Retailer 9$2,128 USD
Retailer 14$2,381 USD
Retailer 7$2,467 USD
Retailer 3$2,630 USD
Retailer 12$3,395 USD
Retailer 2$3,525 USD
Retailer 5$3,660 USD
Retailer 11$3,866 USD
Retailer 6$4,245 USD
Retailer 4$4,679 USD
Retailer 13$5,250 USD
Retailer 8$5,285 USD
Retailer 10$6,646 USD
Retailer 1$6,693 USD
Retailer 15$6,999 USD
Taylor and Hart$8,625 USD

28 data points across 16 retailers

16 retailers$2,128 USD to $8,625 USD

A
Cheapest Retailer
-
$2,128 USD
£1,675 GBP
A
Retailer 2
-
$2,381 USD
View
Final sale: no returns
Retailer 3
-
$2,433 USD
View
Price last confirmed 41 days ago
A
Retailer 4
-
$2,630 USD
View
A
Retailer 5
-
$3,395 USD
£2,673 GBP
View
A
Retailer 6
-
$3,525 USD
View
Retailer 7
-
$3,660 USD
View
A
Retailer 8
-
$3,866 USD
View
B+
Retailer 9
-
$4,245 USD
View
B+
Retailer 10
-
$4,679 USD
£3,684 GBP
View
B+
Retailer 11
-
$5,250 USD
ZAR 84,822 ZAR
View
B+
Retailer 12
-
$5,285 USD
A$8,130 AUD
View
B
Retailer 13
-
$6,646 USD
View
B
Retailer 14
-
$6,693 USD
£5,270 GBP
View
B
Retailer 15
-
$6,999 USD
View
Most Expensive
B
Taylor and Hart
WCT9PMT · Oct 31
$8,625 USD
View
15 more retailers have this diamond
Prices start from $2,128 USDSave up to $6,497 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
4.03ct Oval
$2,128 USD