CaratHunter
Plans
Cushion|Lab Grown|IGI

4.81ct D FL Cushion Lab Grown Diamond

EX • D/FL • IGI LG818623963

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG818623963

Diamond specifications and retailer prices

From $9,158 AUD
$6,433 USD
As of October 31, 2026
Save $47,298 AUD (84%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $56,456 AUD at Mervis Diamond Importers · As of October 31, 2026
View at Mervis Diamond Importers

About this 4.81ct lab-grown cushion diamond

This 4.81ct 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 LG818623963 or 818623963. Listed at 17 retailers as of October 31, 2026, with prices from $9,158 to $56,456, a $47,298 spread on the same certified stone. Mervis Diamond Importers lists it at $56,456. 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

4.81
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.5°
Pavilion angle38.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818623963
Dimensions9.90 × 9.70 × 6.30 mm
L/W Ratio1.02
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
9.90 mm9.70 mm4.81 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818623963
Side View
Table 62.0%Crown 32.5°Girdle: MED-STKPavilion 38.6°Culet: NoneDepth 64.9%

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: Oct 31
Current: $56,456 AUD|Low: $9,158 AUD|High: $59,720 AUD|Avg: $22,269 AUD|-5.5%
Mervis Diamond Importers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
October 31, 2026
Retailer 5$9,158 AUD
Retailer 7$9,485 AUD
Retailer 15$9,488 AUD
Retailer 16$9,608 AUD
Retailer 11$13,140 AUD
Retailer 17$13,715 AUD
Retailer 9$14,243 AUD
Retailer 6$14,927 AUD
Retailer 2$16,432 AUD
Retailer 14$21,045 AUD
Retailer 13$22,286 AUD
Retailer 10$22,536 AUD
Retailer 18$26,109 AUD
Retailer 12$28,818 AUD
Retailer 8$36,158 AUD
Retailer 4$36,231 AUD
Retailer 3$56,261 AUD
Mervis Diamond Importers$56,456 AUD

36 data points across 18 retailers

17 retailers$9,158 AUD to $56,456 AUD

A
Cheapest Retailer
-
$9,158 AUD
$6,433 USD
Final sale: no returns
Retailer 2
-
$9,485 AUD
$6,663 USD
View
Price last confirmed 15 days ago
A
Retailer 3
-
$9,488 AUD
$6,665 USD
View
A
Retailer 4
-
$9,608 AUD
$6,749 USD
View
A
Retailer 5
-
$13,140 AUD
£7,268 GBP
View
A
Retailer 6
-
$13,715 AUD
$9,634 USD
View
Retailer 7
-
$14,243 AUD
$10,005 USD
View
Price last confirmed 37 days ago
B+
Retailer 8
-
$14,927 AUD
£8,256 GBP
View
B+
Retailer 9
-
$16,432 AUD
€10,993 EUR
View
B+
Retailer 10
-
$21,045 AUD
£11,640 GBP
View
B+
Retailer 11
-
$22,286 AUD
ZAR 252,907 ZAR
View
B+
Retailer 12
-
$26,109 AUD
$18,340 USD
View
B+
Retailer 13
-
$28,818 AUD
$20,243 USD
View
B
Retailer 14
-
$36,158 AUD
$25,399 USD
View
B
Retailer 15
-
$36,231 AUD
$25,450 USD
View
B
Retailer 16
-
$56,261 AUD
$39,520 USD
View
Most Expensive
B
Mervis Diamond Importers
1989745774 · Oct 31
$56,456 AUD
$39,657 USD
View
16 more retailers have this diamond
Prices start from $9,158 AUDSave up to $47,298 AUD

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
4.81ct Cushion
$9,158 AUD