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Round|Lab Grown|IGI

4.12ct E IF Round Lab Grown Diamond

EX • E/IF • IGI LG691533937

Shape and cutting style on the report: Round brilliant

Certificate IGI LG691533937

Diamond specifications and retailer prices

From $2,714 USD
As of October 31, 2026
Save $13,916 USD (84%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $17,180 USD at Brilliant Earth · As of October 1, 2026
View at Brilliant Earth

About this 4.12ct lab-grown round diamond

This 4.12ct lab-grown round sits in the three to five carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG691533937 or 691533937. Listed at 25 retailers as of October 31, 2026, with a 513% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

4.12
Carat
E
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG691533937
Dimensions10.24 × 10.18 × 6.43 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
10.24 mm10.18 mm4.12 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG691533937
Side View
Table 55.0%Crown 35.8°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 63.0%

Caratlytics Score

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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: Oct 31
Current: $9,330 USD|Low: $2,120 USD|High: $9,673 USD|Avg: $4,380 USD
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
November 1, 2026
Retailer 3$2,208 USD
Retailer 8$2,403 USD
Retailer 4$2,562 USD
Retailer 7$2,714 USD
Retailer 11$2,714 USD
Retailer 17$2,725 USD
Retailer 2$2,776 USD
Retailer 14$3,597 USD
Retailer 10$3,847 USD
Retailer 9$3,887 USD
Retailer 16$3,948 USD
Retailer 12$6,019 USD
Retailer 15$6,068 USD
Retailer 5$6,840 USD
Retailer 13$7,611 USD
Brilliant Earth$9,330 USD
Retailer 6$9,673 USD

43 data points across 17 retailers

25 retailers$2,714 USD to $16,630 USD

Retailer 1
-
$2,208 USD
Price last confirmed 13 days ago
Retailer 2
-
$2,403 USD
View
Price last confirmed 18 days ago
Retailer 3
-
$2,562 USD
View
Price last confirmed 12 days ago
Retailer 4
-
$2,562 USD
View
Price last confirmed 21 days ago
A
Retailer 5
-
$2,714 USD
View
Final sale: no returns
A
Retailer 6
-
$2,714 USD
View
A
Retailer 7
-
$2,725 USD
View
A
Retailer 8
-
$2,776 USD
£2,186 GBP
View
A
Retailer 9
-
$3,242 USD
View
A
Retailer 10
-
$3,341 USD
HK$26,100 HKD
View
A
Retailer 11
-
$3,597 USD
View
A
Retailer 12
-
$3,847 USD
£3,029 GBP
View
Retailer 13
-
$3,887 USD
View
Price last confirmed 13 days ago
A
Retailer 14
-
$3,948 USD
View
A
Retailer 15
-
$6,019 USD
ZAR 97,234 ZAR
View
Retailer 16
-
$6,068 USD
A$9,335 AUD
View
Price last confirmed 9 days ago
B+
Retailer 17
-
$6,840 USD
View
B+
Retailer 18
-
$7,161 USD
View
B+
Retailer 19
-
$7,611 USD
£5,993 GBP
View
B+
Retailer 20
-
$9,330 USD
View
B+
Retailer 21
-
$9,673 USD
SGD 13,071 SGD
View
B+
Retailer 22
-
$9,869 USD
View
B
Retailer 23
-
$15,190 USD
View
B
Retailer 24
-
$16,630 USD
View
Most Expensive
Brilliant Earth
14001188Y · Oct 1
$17,180 USD
View
Price last confirmed 30 days ago
24 more retailers have this diamond
Prices start from $2,714 USDSave up to $13,916 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
4.12ct Round
$2,714 USD