CaratHunter
Plans
Round|Lab Grown|IGI

4.31ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG832602921

Shape and cutting style on the report: Round brilliant

Certificate IGI LG832602921

Diamond specifications and retailer prices

From €3,162 EUR
HK$27,600 HKD
As of October 31, 2026
Save €9,038 EUR (74%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €12,200 EUR at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

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 LG832602921 or 832602921. Listed at 13 retailers as of October 29, 2026, with prices from €3,162 to €12,200, a €9,038 spread on the same certified stone. Brilliant Earth lists it at €12,200. 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
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG832602921
Dimensions10.59 × 10.62 × 6.31 mm
L/W Ratio1.00
Girdle conditionFaceted
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
10.59 mm10.62 mm4.31 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG832602921
Side View
Table 59.0%Crown 33.3°Girdle: MediumPavilion 40.7°Culet: NoneDepth 59.5%

Caratlytics Score

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

Price History

Last verified: Oct 31
Current: €3,490 EUR|Low: €3,162 EUR|High: €10,028 EUR|Avg: €5,872 EUR|-0.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 31, 2026
Retailer 10€3,162 EUR
Retailer 1€3,490 EUR
Retailer 11€3,903 EUR
Retailer 6€4,142 EUR
Retailer 7€4,553 EUR
Retailer 4€5,524 EUR
Retailer 3€6,790 EUR
Retailer 9€6,929 EUR
Retailer 5€6,985 EUR
Retailer 8€9,056 EUR
Retailer 2€10,028 EUR

23 data points across 11 retailers

13 retailers€3,162 EUR to €12,200 EUR

A
Cheapest Retailer
-
€3,162 EUR
HK$27,600 HKD
A
Retailer 2
-
€3,490 EUR
£3,070 GBP
View
A
Retailer 3
-
€3,903 EUR
$4,360 USD
View
A
Retailer 4
-
€4,142 EUR
View
A
Retailer 5
-
€4,553 EUR
$5,087 USD
View
A
Retailer 6
-
€5,524 EUR
ZAR 99,708 ZAR
View
B+
Retailer 7
-
€6,790 EUR
$7,586 USD
View
B+
Retailer 8
-
€6,929 EUR
$7,741 USD
View
B+
Retailer 9
-
€6,985 EUR
£6,145 GBP
View
B+
Retailer 10
-
€7,716 EUR
$8,620 USD
View
B+
Retailer 11
-
€9,056 EUR
$10,117 USD
View
B
Retailer 12
-
€10,028 EUR
$11,203 USD
View
Most Expensive
B
Brilliant Earth
21765054A · Oct 29
€12,200 EUR
$13,630 USD
View
12 more retailers have this diamond
Prices start from €3,162 EURSave up to €9,038 EUR

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
4.31ct Round
€3,162 EUR