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Cushion|Lab Grown|IGI

4.27ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG768628622

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG768628622

Diamond specifications and retailer prices

From $4,392 USD
As of October 30, 2026
Save $13,768 USD (76%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $18,160 USD at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 4.27ct lab-grown cushion diamond

This 4.27ct 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 LG768628622 or 768628622. Listed at 13 retailers as of October 30, 2026, with prices from $4,392 to $18,160, a $13,768 spread on the same certified stone. Taylor and Hart lists it at $18,160. 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

4.27
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle36.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG768628622
Dimensions10.69 × 8.87 × 5.85 mm
L/W Ratio1.21
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
10.69 mm8.87 mm4.27 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG768628622
Side View
Table 59.0%Crown 34.5°Girdle: MED-STKPavilion 36.3°Culet: NoneDepth 66.0%

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: Oct 30
Current: $4,681 USD|Low: $4,392 USD|High: $22,430 USD|Avg: $11,000 USD|-4.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Taylor and Hart
October 31, 2026
Retailer 5$4,392 USD
Retailer 1$4,681 USD
Retailer 10$6,438 USD
Retailer 8$6,601 USD
Retailer 3$8,155 USD
Retailer 11$8,365 USD
Retailer 4$8,590 USD
Retailer 6$8,708 USD
Retailer 9$10,836 USD
Retailer 12$11,303 USD
Retailer 7$13,230 USD
Retailer 2$14,655 USD
Taylor and Hart$18,160 USD

39 data points across 13 retailers

13 retailers$4,392 USD to $18,160 USD

A+
Cheapest Retailer
-
$4,392 USD
A
Retailer 2
-
$4,681 USD
View
A
Retailer 3
-
$6,438 USD
HK$50,300 HKD
View
A
Retailer 4
-
$6,601 USD
£5,198 GBP
View
Retailer 5
-
$8,155 USD
View
Price last confirmed 12 days ago
A
Retailer 6
-
$8,365 USD
€7,967 EUR
View
B+
Retailer 7
-
$8,590 USD
View
A
Retailer 8
-
$8,708 USD
View
B+
Retailer 9
-
$10,836 USD
ZAR 175,056 ZAR
View
B+
Retailer 10
-
$11,303 USD
£8,900 GBP
View
B+
Retailer 11
-
$13,230 USD
View
B+
Retailer 12
-
$14,655 USD
View
Most Expensive
B+
Taylor and Hart
33Y7CCX · Oct 30
$18,160 USD
View
12 more retailers have this diamond
Prices start from $4,392 USDSave up to $13,768 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+
4.27ct Cushion
$4,392 USD