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Radiant|Lab Grown|IGI

4.37ct D IF Radiant Lab Grown Diamond

EX • D/IF • IGI LG812625081

Certificate IGI LG812625081

Diamond specifications and retailer prices

From $4,325 USD
Save $20,967 USD (83%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $25,292 USD at With Clarity
View at With Clarity

About this 4.37ct lab-grown radiant diamond

This 4.37ct lab-grown radiant 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 LG812625081 or 812625081. Listed at 24 retailers, with prices from $4,325 to $25,292 at With Clarity, a $20,967 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

4.37
Carat
D
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.4°
Pavilion angle35.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG812625081
Dimensions11.55 × 8.01 × 5.53 mm
L/W Ratio1.44
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.55 mm8.01 mm4.37 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG812625081
Side View
Table 65.0%Crown 41.4°Girdle: STK-THKPavilion 35.2°Culet: NoneDepth 69.0%

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: $15,523 USD|Low: $3,479 USD|High: $29,313 USD|Avg: $11,058 USD|+1.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
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Retailer 11
Retailer 12
Retailer 13
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Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
With Clarity
October 1, 2026
Retailer 14$3,978 USD
Retailer 17$4,325 USD
Retailer 7$4,594 USD
Retailer 9$4,737 USD
Retailer 8$5,090 USD
Retailer 20$5,705 USD
Retailer 5$6,530 USD
Retailer 12$6,632 USD
Retailer 3$7,102 USD
Retailer 6$7,348 USD
Retailer 21$7,647 USD
Retailer 16$10,547 USD
Retailer 19$10,577 USD
Retailer 18$11,038 USD
Retailer 22$12,202 USD
Retailer 4$12,844 USD
Retailer 11$13,425 USD
Retailer 13$14,024 USD
Retailer 1$15,523 USD
Retailer 10$17,994 USD
Retailer 15$20,784 USD
Retailer 2$21,560 USD
With Clarity$24,786 USD

38 data points across 23 retailers

24 retailers$4,325 USD to $25,292 USD

A
Cheapest Retailer
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$4,325 USD
A
Retailer 2
-
$4,594 USD
View
Price last confirmed 20 days ago
A
Retailer 3
-
$4,737 USD
CA$6,579 CAD
View
A
Retailer 4
-
$5,090 USD
View
A
Retailer 5
-
$5,705 USD
View
A
Retailer 6
-
$6,530 USD
View
A
Retailer 7
-
$6,647 USD
£5,234 GBP
View
A
Retailer 8
-
$7,102 USD
£5,592 GBP
View
A
Retailer 9
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$7,348 USD
View
A
Retailer 10
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$7,647 USD
€7,283 EUR
View
B+
Retailer 11
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$10,537 USD
View
Price last confirmed 8 days ago
B+
Retailer 12
-
$10,547 USD
ZAR 170,384 ZAR
View
B+
Retailer 13
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$10,577 USD
£8,328 GBP
View
B+
Retailer 14
-
$11,038 USD
A$16,982 AUD
View
B+
Retailer 15
-
$12,202 USD
View
B+
Retailer 16
-
$12,844 USD
View
B
Retailer 17
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$13,425 USD
View
B
Retailer 18
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$14,024 USD
View
B
Retailer 19
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$15,523 USD
A$23,881 AUD
View
B
Retailer 20
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$17,994 USD
View
B
Retailer 21
-
$20,784 USD
View
B
Retailer 22
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$21,560 USD
View
B
Retailer 23
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$21,560 USD
View
Price last confirmed 15 days ago
Most Expensive
B
With Clarity
812625081 · Sep 30
$25,292 USD
View
23 more retailers have this diamond
Prices start from $4,325 USDSave up to $20,967 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
4.37ct Radiant
$4,325 USD