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Round|Lab Grown|IGI

4.31ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG694550809

Certificate IGI LG694550809

Diamond specifications and retailer prices

From $2,569 USD
Save $5,804 USD (69%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $8,373 USD at Taylor and Hart
View at Taylor and Hart

About this 4.31ct lab-grown round diamond

This 4.31ct 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 LG694550809 or 694550809. Listed at 7 retailers, with prices from $2,569 to $8,373 at Taylor and Hart, a $5,804 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

4.31
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG694550809
Dimensions10.47 × 10.54 × 6.38 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
10.47 mm10.54 mm4.31 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG694550809
Side View
Table 57.0%Crown 33.8°Girdle: MediumPavilion 40.7°Culet: NoneDepth 60.7%

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: Sep 30
Current: $3,485 USD|Low: $2,242 USD|High: $14,420 USD|Avg: $5,866 USD|+28.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Taylor and Hart
October 1, 2026
Retailer 5$2,569 USD
Retailer 2$3,270 USD
Retailer 1$3,485 USD
Retailer 6$4,945 USD
Retailer 3$5,002 USD
Retailer 4$6,572 USD
Taylor and Hart$8,373 USD
Retailer 7$14,420 USD

34 data points across 8 retailers

7 retailers$2,569 USD to $8,373 USD

A
Cheapest Retailer
-
$2,569 USD
A
Retailer 2
-
$3,277 USD
£2,580 GBP
View
A
Retailer 3
-
$3,485 USD
View
A
Retailer 4
-
$4,945 USD
View
A
Retailer 5
-
$5,002 USD
ZAR 80,813 ZAR
View
A
Retailer 6
-
$6,572 USD
£5,175 GBP
View
Most Expensive
B+
Taylor and Hart
O3GHO2N · Oct 1
$8,373 USD
View
6 more retailers have this diamond
Prices start from $2,569 USDSave up to $5,804 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
4.31ct Round
$2,569 USD