Cushion|Lab Grown|IGI

4.37ct D FL Cushion Lab Grown Diamond

EX • D/FL • IGI LG768629099

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG768629099

Diamond specifications and retailer prices

From $6,267 CAD
$4,485 USD
As of November 2, 2026
Save $21,850 CAD (78%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $28,117 CAD at Blue Nile · As of October 31, 2026
View at Blue Nile

About this 4.37ct lab-grown cushion diamond

This 4.37ct 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 LG768629099 or 768629099. Listed at 13 retailers as of October 31, 2026, with prices from $6,267 to $28,117, a $21,850 spread on the same certified stone. Blue Nile lists it at $28,117. 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
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle36.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG768629099
Dimensions10.73 × 8.89 × 5.87 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
10.73 mm8.89 mm4.37 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG768629099
Side View
Table 62.0%Crown 34.4°Girdle: MED-STKPavilion 36.9°Culet: NoneDepth 66.0%

Caratlytics Score

How it works →
A
Excellent
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: $28,117 CAD|Low: $6,267 CAD|High: $32,070 CAD|Avg: $16,164 CAD|+48.2%
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 2, 2026
Retailer 10$6,267 CAD
Retailer 9$6,817 CAD
Retailer 4$9,194 CAD
Retailer 6$9,362 CAD
Retailer 8$11,168 CAD
Retailer 2$11,879 CAD
Retailer 11$12,339 CAD
Retailer 7$15,060 CAD
Retailer 3$15,480 CAD
Retailer 12$18,921 CAD
Retailer 5$20,958 CAD
Retailer 13$25,973 CAD
Blue Nile$28,117 CAD

38 data points across 13 retailers

13 retailers$6,267 CAD to $28,117 CAD

A
Cheapest Retailer
-
$6,267 CAD
$4,485 USD
A
Retailer 2
-
$6,817 CAD
$4,878 USD
View
A
Retailer 3
-
$9,194 CAD
HK$51,400 HKD
View
A
Retailer 4
-
$9,362 CAD
£5,275 GBP
View
A
Retailer 5
-
$11,168 CAD
$7,992 USD
View
A
Retailer 6
-
$11,879 CAD
€8,096 EUR
View
A
Retailer 7
-
$12,339 CAD
$8,830 USD
View
B+
Retailer 8
-
$15,060 CAD
£8,486 GBP
View
B+
Retailer 9
-
$15,480 CAD
ZAR 178,960 ZAR
View
B+
Retailer 10
-
$18,921 CAD
$13,540 USD
View
B+
Retailer 11
-
$20,958 CAD
$14,998 USD
View
B
Retailer 12
-
$25,973 CAD
$18,587 USD
View
Most Expensive
B
Blue Nile
29977360 · Oct 31
$28,117 CAD
$20,121 USD
View
12 more retailers have this diamond
Prices start from $6,267 CADSave up to $21,850 CAD

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
4.37ct Cushion
$6,267 CAD