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Round|Lab Grown|IGI

4.26ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG737568608

Certificate IGI LG737568608

Diamond specifications and retailer prices

From $2,569 USD
Save $22,081 USD (90%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $24,650 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 LG737568608 or 737568608. Listed at 22 retailers, with prices from $2,569 to $24,650 at Brilliant Earth, a $22,081 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 angle33.2°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG737568608
Dimensions10.53 × 10.49 × 6.26 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
10.53 mm10.49 mm4.26 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG737568608
Side View
Table 60.0%Crown 33.2°Girdle: MediumPavilion 40.8°Culet: NoneDepth 59.6%

Caratlytics Score

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

Price History

Last verified: Sep 30
Current: $4,134 USD|Low: $1,769 USD|High: $15,220 USD|Avg: $5,770 USD|-25.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
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Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 15
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Retailer 21
October 1, 2026
Retailer 5$2,569 USD
Retailer 2$2,665 USD
Retailer 8$3,186 USD
Retailer 15$3,290 USD
Retailer 17$3,614 USD
Retailer 16$3,645 USD
Retailer 7$3,743 USD
Retailer 19$3,933 USD
Retailer 1$4,134 USD
Retailer 14$4,971 USD
Retailer 18$5,526 USD
Retailer 21$5,671 USD
Retailer 13$6,160 USD
Retailer 9$6,731 USD
Retailer 4$6,898 USD
Retailer 11$6,912 USD
Retailer 20$7,259 USD
Retailer 6$9,236 USD
Retailer 10$9,504 USD
Retailer 12$11,054 USD
Retailer 3$14,210 USD

37 data points across 21 retailers

22 retailers$2,569 USD to $24,650 USD

A
Cheapest Retailer
-
$2,569 USD
A
Retailer 2
-
$2,665 USD
View
A
Retailer 3
-
$3,186 USD
View
A
Retailer 4
-
$3,290 USD
HK$25,700 HKD
View
A
Retailer 5
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$3,622 USD
£2,852 GBP
View
A
Retailer 6
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$3,645 USD
View
A
Retailer 7
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$3,743 USD
View
A
Retailer 8
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$3,933 USD
View
A
Retailer 9
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$4,134 USD
€3,937 EUR
View
A
Retailer 10
-
$4,971 USD
A$7,648 AUD
View
A
Retailer 11
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$5,526 USD
ZAR 89,269 ZAR
View
A
Retailer 12
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$5,671 USD
A$8,724 AUD
View
A
Retailer 13
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$6,160 USD
View
Price last confirmed 7 days ago
A
Retailer 14
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$6,731 USD
View
A
Retailer 15
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$6,898 USD
View
A
Retailer 16
-
$6,912 USD
View
A
Retailer 17
-
$7,259 USD
£5,716 GBP
View
B+
Retailer 18
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$9,236 USD
View
B+
Retailer 19
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$9,504 USD
SGD 12,843 SGD
View
B+
Retailer 20
-
$11,054 USD
A$17,006 AUD
View
B
Retailer 21
-
$14,210 USD
View
Most Expensive
B
Brilliant Earth
18668339Y · Oct 1
$24,650 USD
View
21 more retailers have this diamond
Prices start from $2,569 USDSave up to $22,081 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
$2,569 USD