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Round|Lab Grown|IGI

4.30ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG737578586

Shape and cutting style on the report: Round brilliant

Certificate IGI LG737578586

Diamond specifications and retailer prices

From €12,469 EUR
$13,930 USD
As of October 29, 2026
11 retailers carry this diamond
Most expensive: €12,469 EUR at Brilliant Earth
View at Brilliant Earth

About this 4.3ct lab-grown round diamond

This 4.3ct 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 LG737578586 or 737578586. Listed at 11 retailers as of October 29, 2026. 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

4.30
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG737578586
Dimensions10.38 × 10.43 × 6.42 mm
L/W Ratio1.00
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
10.38 mm10.43 mm4.30 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG737578586
Side View
Table 58.0%Crown 35.9°Girdle: MediumPavilion 40.6°Culet: NoneDepth 61.7%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 29
Current: €12,469 EUR|Low: €1,700 EUR|High: €13,758 EUR|Avg: €5,499 EUR
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
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
September 29, 2026
Retailer 11€2,287 EUR
Retailer 4€2,319 EUR
Retailer 19€2,408 EUR
Retailer 6€2,877 EUR
Retailer 14€3,197 EUR
Retailer 17€3,265 EUR
Retailer 3€3,437 EUR
Retailer 13€3,554 EUR
Retailer 16€3,728 EUR
Retailer 2€4,270 EUR
Retailer 12€4,485 EUR
Retailer 10€5,321 EUR
Retailer 7€6,076 EUR
Retailer 21€6,232 EUR
Retailer 9€6,243 EUR
Retailer 18€6,550 EUR
Retailer 5€8,343 EUR
Retailer 8€8,585 EUR
Retailer 15€10,976 EUR
Brilliant Earth€12,469 EUR
Retailer 20€12,836 EUR

13 data points across 21 retailers

11 retailers

Retailer 1
-
€1,865 EUR
$2,084 USD
Price last confirmed 36 days ago
Retailer 2
-
€2,134 EUR
$2,384 USD
View
Price last confirmed 34 days ago
Retailer 3
-
€2,175 EUR
$2,430 USD
View
Price last confirmed 38 days ago
Retailer 4
-
€2,287 EUR
$2,555 USD
View
Price last confirmed 45 days ago
Retailer 5
-
€3,197 EUR
HK$27,900 HKD
View
Price last confirmed 57 days ago
Retailer 6
-
€3,283 EUR
$3,668 USD
View
Price last confirmed 33 days ago
Retailer 7
-
€3,554 EUR
$3,970 USD
View
Price last confirmed 32 days ago
Retailer 8
-
€5,321 EUR
ZAR 96,031 ZAR
View
Price last confirmed 39 days ago
Retailer 9
-
€6,232 EUR
$6,963 USD
View
Price last confirmed 33 days ago
Retailer 10
-
€10,976 EUR
A$18,865 AUD
View
Price last confirmed 32 days ago
Most Expensive
B
Brilliant Earth
18669242Y · Oct 29
€12,469 EUR
$13,930 USD
View
10 more retailers have this diamond

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.

B
4.30ct Round
€12,469 EUR