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Cushion|Lab Grown|IGI

4.34ct D FL Cushion Lab Grown Diamond

EX • D/FL • IGI LG811634142

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG811634142

Diamond specifications and retailer prices

From $6,464 USD
HK$50,500 HKD
As of November 1, 2026
Save $20,873 USD (76%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $27,337 USD at With Clarity · As of November 3, 2026
View at With Clarity

About this 4.34ct lab-grown cushion diamond

This 4.34ct lab-grown cushion sits in the three to five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG811634142 or 811634142. Listed at 10 retailers as of November 1, 2026, with prices from $6,464 to $27,337, a $20,873 spread on the same certified stone. With Clarity lists it at $27,337. 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

4.34
Carat
D
Color
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.6°
Pavilion angle36.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811634142
Dimensions10.68 × 8.77 × 5.81 mm
L/W Ratio1.22
Girdle conditionFaceted
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
10.68 mm8.77 mm4.34 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811634142
Side View
Table 59.0%Crown 36.6°Girdle: STK-THKPavilion 36.4°Culet: NoneDepth 66.2%

Caratlytics Score

How it works →
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: Nov 1
Current: $6,643 USD|Low: $6,464 USD|High: $34,218 USD|Avg: $13,743 USD|-26.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
With Clarity
November 3, 2026
Retailer 8$6,464 USD
Retailer 5$6,498 USD
Retailer 1$6,643 USD
Retailer 4$7,938 USD
Retailer 2$8,442 USD
Retailer 3$10,707 USD
Retailer 6$13,450 USD
Retailer 9$14,895 USD
Retailer 7$18,458 USD
With Clarity$27,337 USD

42 data points across 10 retailers

10 retailers$6,464 USD to $27,337 USD

A
Cheapest Retailer
-
$6,464 USD
HK$50,500 HKD
A
Retailer 2
-
$6,498 USD
View
A
Retailer 3
-
$6,643 USD
£5,231 GBP
View
A
Retailer 4
-
$7,938 USD
View
A
Retailer 5
-
$8,442 USD
€8,040 EUR
View
B+
Retailer 6
-
$10,707 USD
£8,431 GBP
View
B+
Retailer 7
-
$13,450 USD
View
Retailer 8
-
$14,895 USD
View
Price last confirmed 7 days ago
B+
Retailer 9
-
$18,458 USD
View
Most Expensive
B
With Clarity
811634142 · Nov 3
$27,337 USD
View
9 more retailers have this diamond
Prices start from $6,464 USDSave up to $20,873 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
4.34ct Cushion
$6,464 USD