CaratHunter
Plans
Asscher|Lab Grown|IGI

4.21ct D FL Asscher Lab Grown Diamond

EX • D/FL • IGI LG831604048

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG831604048

Diamond specifications and retailer prices

From $7,296 AUD
£4,035 GBP
As of October 30, 2026
Save $26,250 AUD (78%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $33,546 AUD at With Clarity · As of October 31, 2026
View at With Clarity

About this 4.21ct lab-grown asscher diamond

This 4.21ct lab-grown asscher 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 LG831604048 or 831604048. Listed at 25 retailers as of October 30, 2026, with prices from $7,296 to $33,546, a $26,250 spread on the same certified stone. With Clarity lists it at $33,546. 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

4.21
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle41.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831604048
Dimensions8.97 × 8.94 × 5.92 mm
L/W Ratio1.00
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
8.97 mm8.94 mm4.21 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831604048
Side View
Table 62.0%Crown 35.3°Girdle: MediumPavilion 41.6°Culet: NoneDepth 66.2%

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 30
Current: $20,500 AUD|Low: $7,272 AUD|High: $33,546 AUD|Avg: $13,367 AUD|+1.4%
Retailer 1
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
With Clarity
October 31, 2026
Retailer 3$7,296 AUD
Retailer 10$7,529 AUD
Retailer 15$7,985 AUD
Retailer 13$8,532 AUD
Retailer 12$9,278 AUD
Retailer 8$9,619 AUD
Retailer 2$10,587 AUD
Retailer 14$11,239 AUD
Retailer 16$12,540 AUD
Retailer 9$12,770 AUD
Retailer 7$13,057 AUD
Retailer 5$14,350 AUD
Retailer 18$15,803 AUD
Retailer 6$17,866 AUD
Retailer 4$18,588 AUD
Retailer 1$20,500 AUD
Retailer 17$30,628 AUD
Retailer 11$31,431 AUD
With Clarity$33,546 AUD

28 data points across 19 retailers

25 retailers$7,296 AUD to $33,546 AUD

A
Cheapest Retailer
-
$7,296 AUD
£4,035 GBP
A
Retailer 2
-
$7,529 AUD
$5,289 USD
View
A
Retailer 3
-
$7,985 AUD
$5,609 USD
View
A
Retailer 4
-
$8,015 AUD
$5,630 USD
View
A
Retailer 5
-
$8,532 AUD
$5,993 USD
View
Final sale: no returns
A
Retailer 6
-
$8,734 AUD
$6,135 USD
View
Retailer 7
-
$8,734 AUD
$6,135 USD
View
Price last confirmed 15 days ago
A
Retailer 8
-
$8,755 AUD
$6,150 USD
View
A
Retailer 9
-
$9,278 AUD
$6,517 USD
View
A
Retailer 10
-
$9,619 AUD
$6,757 USD
View
A
Retailer 11
-
$10,368 AUD
$7,283 USD
View
A
Retailer 12
-
$10,587 AUD
HK$58,100 HKD
View
A
Retailer 13
-
$11,239 AUD
£6,216 GBP
View
B+
Retailer 14
-
$12,540 AUD
£6,936 GBP
View
Retailer 15
-
$12,770 AUD
$8,970 USD
View
Price last confirmed 13 days ago
B+
Retailer 16
-
$13,057 AUD
$9,172 USD
View
B+
Retailer 17
-
$14,350 AUD
€9,600 EUR
View
B+
Retailer 18
-
$15,803 AUD
$11,101 USD
View
B+
Retailer 19
-
$17,866 AUD
£9,882 GBP
View
B+
Retailer 20
-
$18,588 AUD
ZAR 210,936 ZAR
View
B+
Retailer 21
-
$20,500 AUD
$14,400 USD
View
B
Retailer 22
-
$24,287 AUD
$17,060 USD
View
B
Retailer 23
-
$30,628 AUD
SGD 29,074 SGD
View
B
Retailer 24
-
$31,431 AUD
$22,078 USD
View
Most Expensive
B
With Clarity
831604048 · Oct 31
$33,546 AUD
$23,564 USD
View
24 more retailers have this diamond
Prices start from $7,296 AUDSave up to $26,250 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
4.21ct Asscher
$7,296 AUD