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Round|Lab Grown|IGI

4.26ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG739532839

Certificate IGI LG739532839

Diamond specifications and retailer prices

From $2,504 USD
£1,972 GBP
Save $22,146 USD (90%) vs most expensive(unlock to see where)
27 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 LG739532839 or 739532839. Listed at 27 retailers, with prices from $2,504 to $24,650 at Brilliant Earth, a $22,146 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 angle35.8°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG739532839
Dimensions10.37 × 10.29 × 6.46 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
10.37 mm10.29 mm4.26 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG739532839
Side View
Table 56.0%Crown 35.8°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 62.5%

Caratlytics Score

How it works →
A+
Exceptional
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: Oct 1
Current: $8,227 USD|Low: $2,504 USD|High: $17,230 USD|Avg: $5,506 USD|-8.8%
Retailer 1
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Retailer 26
October 1, 2026
Retailer 20$2,504 USD
Retailer 11$2,505 USD
Retailer 16$2,866 USD
Retailer 8$2,991 USD
Retailer 18$3,024 USD
Retailer 4$3,259 USD
Retailer 10$3,832 USD
Retailer 23$3,835 USD
Retailer 13$3,884 USD
Retailer 22$3,994 USD
Retailer 24$4,319 USD
Retailer 3$4,409 USD
Retailer 26$4,453 USD
Retailer 12$5,056 USD
Retailer 19$6,128 USD
Retailer 25$6,703 USD
Retailer 2$6,879 USD
Retailer 14$8,050 USD
Retailer 1$8,227 USD
Retailer 17$8,384 USD
Retailer 6$8,435 USD
Retailer 9$11,179 USD
Retailer 21$11,440 USD
Retailer 15$11,574 USD
Retailer 7$13,047 USD
Retailer 5$17,230 USD

40 data points across 26 retailers

27 retailers$2,504 USD to $24,650 USD

A+
Cheapest Retailer
-
$2,504 USD
£1,972 GBP
A
Retailer 2
-
$2,505 USD
View
A
Retailer 3
-
$2,866 USD
View
A
Retailer 4
-
$2,991 USD
View
A
Retailer 5
-
$3,024 USD
View
Price last confirmed 7 days ago
A
Retailer 6
-
$3,259 USD
View
A
Retailer 7
-
$3,832 USD
View
A
Retailer 8
-
$3,835 USD
View
A
Retailer 9
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$3,884 USD
View
A
Retailer 10
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$3,994 USD
HK$31,200 HKD
View
A
Retailer 11
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$4,328 USD
£3,408 GBP
View
A
Retailer 12
-
$4,409 USD
View
A
Retailer 13
-
$4,453 USD
View
A
Retailer 14
-
$5,056 USD
€4,815 EUR
View
A
Retailer 15
-
$6,128 USD
A$9,428 AUD
View
A
Retailer 16
-
$6,703 USD
ZAR 108,293 ZAR
View
A
Retailer 17
-
$6,879 USD
A$10,583 AUD
View
B+
Retailer 18
-
$8,050 USD
View
B+
Retailer 19
-
$8,227 USD
£6,478 GBP
View
B+
Retailer 20
-
$8,384 USD
View
B+
Retailer 21
-
$8,435 USD
View
B+
Retailer 22
-
$11,179 USD
View
B+
Retailer 23
-
$11,440 USD
A$17,600 AUD
View
B+
Retailer 24
-
$11,574 USD
SGD 15,641 SGD
View
B
Retailer 25
-
$13,047 USD
View
B
Retailer 26
-
$17,230 USD
View
Most Expensive
B
Brilliant Earth
18652966Y · Sep 29
$24,650 USD
View
26 more retailers have this diamond
Prices start from $2,504 USDSave up to $22,146 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
$2,504 USD