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Cushion|Lab Grown|IGI

4.34ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG804659103

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG804659103

Diamond specifications and retailer prices

From $4,457 USD
As of November 2, 2026
Save $14,001 USD (76%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $18,458 USD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

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 LG804659103 or 804659103. Listed at 10 retailers as of October 31, 2026, with prices from $4,457 to $18,458, a $14,001 spread on the same certified stone. Taylor and Hart lists it at $18,458. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle36.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804659103
Dimensions10.69 × 8.81 × 5.94 mm
L/W Ratio1.21
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
10.69 mm8.81 mm4.34 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804659103
Side View
Table 60.0%Crown 36.1°Girdle: MED-STKPavilion 36.9°Culet: NoneDepth 67.4%

Caratlytics Score

How it works →
A+
Exceptional
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $6,643 USD|Low: $4,457 USD|High: $22,790 USD|Avg: $11,343 USD|-26.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Taylor and Hart
November 3, 2026
Retailer 6$4,457 USD
Retailer 5$4,821 USD
Retailer 8$6,541 USD
Retailer 1$6,643 USD
Retailer 4$7,938 USD
Retailer 2$8,442 USD
Retailer 3$10,707 USD
Retailer 7$13,450 USD
Retailer 9$14,895 USD
Taylor and Hart$18,458 USD

42 data points across 10 retailers

10 retailers$4,457 USD to $18,458 USD

A+
Cheapest Retailer
-
$4,457 USD
A
Retailer 2
-
$4,821 USD
View
A
Retailer 3
-
$6,541 USD
HK$51,100 HKD
View
A
Retailer 4
-
$6,643 USD
£5,231 GBP
View
A
Retailer 5
-
$7,938 USD
View
A
Retailer 6
-
$8,442 USD
€8,040 EUR
View
B+
Retailer 7
-
$10,707 USD
£8,431 GBP
View
B+
Retailer 8
-
$13,450 USD
View
Retailer 9
-
$14,895 USD
View
Price last confirmed 7 days ago
Most Expensive
B+
Taylor and Hart
HZGFBAF · Oct 31
$18,458 USD
View
9 more retailers have this diamond
Prices start from $4,457 USDSave up to $14,001 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
$4,457 USD