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Round|Lab Grown|IGI

4.26ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG738511281

Certificate IGI LG738511281

Diamond specifications and retailer prices

From $2,279 USD
Save $22,511 USD (91%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $24,790 USD at Brilliant Earth
View at Brilliant Earth

About this 4.26ct lab-grown round diamond

This 4.26ct 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 LG738511281 or 738511281. Listed at 23 retailers, with prices from $2,279 to $24,790 at Brilliant Earth, a $22,511 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

4.26
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG738511281
Dimensions10.38 × 10.33 × 6.39 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 mm10.33 mm4.26 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG738511281
Side View
Table 57.0%Crown 35.5°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 61.7%

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 25
Current: $24,790 USD|Low: $1,953 USD|High: $24,800 USD|Avg: $7,102 USD|-0.0%
Brilliant Earth
Retailer 2
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Retailer 21
October 1, 2026
Retailer 10$2,607 USD
Retailer 4$2,795 USD
Retailer 21$2,932 USD
Retailer 7$3,186 USD
Retailer 17$3,213 USD
Retailer 18$3,614 USD
Retailer 19$3,835 USD
Retailer 13$4,134 USD
Retailer 20$4,144 USD
Retailer 6$4,918 USD
Retailer 14$4,958 USD
Retailer 12$5,890 USD
Retailer 3$6,898 USD
Retailer 2$7,259 USD
Retailer 8$7,465 USD
Retailer 11$7,629 USD
Retailer 5$9,236 USD
Retailer 9$9,300 USD
Retailer 15$11,054 USD
Retailer 16$13,582 USD
Brilliant Earth$24,790 USD

40 data points across 21 retailers

23 retailers$2,279 USD to $24,790 USD

A
Cheapest Retailer
-
$2,279 USD
A
Retailer 2
-
$2,607 USD
View
A
Retailer 3
-
$2,658 USD
View
Price last confirmed 7 days ago
A
Retailer 4
-
$2,795 USD
View
A
Retailer 5
-
$3,186 USD
View
A
Retailer 6
-
$3,213 USD
HK$25,100 HKD
View
A
Retailer 7
-
$3,622 USD
£2,852 GBP
View
A
Retailer 8
-
$3,634 USD
View
A
Retailer 9
-
$3,835 USD
View
A
Retailer 10
-
$4,134 USD
€3,937 EUR
View
A
Retailer 11
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$4,144 USD
View
A
Retailer 12
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$4,918 USD
View
A
Retailer 13
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$4,958 USD
A$7,628 AUD
View
A
Retailer 14
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$5,890 USD
ZAR 95,148 ZAR
View
Price last confirmed 9 days ago
A
Retailer 15
-
$6,898 USD
View
A
Retailer 16
-
$7,259 USD
£5,716 GBP
View
B+
Retailer 17
-
$7,465 USD
View
B+
Retailer 18
-
$7,629 USD
View
B+
Retailer 19
-
$9,236 USD
View
B+
Retailer 20
-
$9,300 USD
SGD 12,568 SGD
View
B+
Retailer 21
-
$11,054 USD
A$17,006 AUD
View
B
Retailer 22
-
$13,582 USD
View
Most Expensive
B
Brilliant Earth
16122265A · Sep 29
$24,790 USD
View
22 more retailers have this diamond
Prices start from $2,279 USDSave up to $22,511 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
4.26ct Round
$2,279 USD