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Round|Lab Grown|IGI

7.21ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG621464501

Shape and cutting style on the report: Round brilliant

Certificate IGI LG621464501

Diamond specifications and retailer prices

From $26,745 USD
As of November 1, 2026
Save $34,999 USD (57%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $67,615 USD at Aida Diamonds · As of October 22, 2026
View at Aida Diamonds

About this 7.21ct lab-grown round diamond

This 7.21ct lab-grown round sits in the over five carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG621464501 or 621464501. Listed at 20 retailers as of October 31, 2026, with a 131% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

7.21
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG621464501
Dimensions12.39 × 12.33 × 7.64 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
HEARTS & ARROWS 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
12.39 mm12.33 mm7.21 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG621464501
Side View
Table 56.0%Crown 34.5°Girdle: MediumPavilion 40.7°Culet: NoneDepth 61.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $67,615 USD|Low: $26,745 USD|High: $135,202 USD|Avg: $44,536 USD|+0.0%
Aida Diamonds
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
November 1, 2026
Retailer 9$26,745 USD
Retailer 14$28,264 USD
Retailer 15$28,264 USD
Retailer 13$28,490 USD
Retailer 4$31,479 USD
Retailer 3$32,302 USD
Retailer 17$32,786 USD
Retailer 6$34,880 USD
Retailer 2$36,954 USD
Retailer 11$39,222 USD
Retailer 16$39,389 USD
Retailer 5$39,933 USD
Retailer 7$41,064 USD
Retailer 12$46,760 USD
Retailer 10$61,744 USD
Aida Diamonds$67,615 USD
Retailer 8$135,202 USD

41 data points across 17 retailers

20 retailers$26,745 USD to $61,744 USD

B+
Cheapest Retailer
-
$26,745 USD
B+
Retailer 2
-
$28,264 USD
View
B+
Retailer 3
-
$28,264 USD
View
B+
Retailer 4
-
$28,490 USD
View
B+
Retailer 5
-
$31,479 USD
View
B+
Retailer 6
-
$32,302 USD
View
B+
Retailer 7
-
$32,786 USD
View
B+
Retailer 8
-
$34,880 USD
View
B+
Retailer 9
-
$36,954 USD
£29,098 GBP
View
B
Retailer 10
-
$39,222 USD
View
Final sale: no returns
Retailer 11
-
$39,389 USD
£31,015 GBP
View
Price last confirmed 14 days ago
Retailer 12
-
$39,933 USD
A$61,435 AUD
View
Price last confirmed 23 days ago
B
Retailer 13
-
$41,064 USD
View
B+
Retailer 14
-
$46,760 USD
£36,819 GBP
View
B
Retailer 15
-
$61,744 USD
€58,804 EUR
View
Most Expensive
Aida Diamonds
487060604 · Oct 22
$67,615 USD
A$104,023 AUD
View
Price last confirmed 9 days ago
15 more retailers have this diamond
Prices start from $26,745 USDSave up to $34,999 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.

B+
7.21ct Round
$26,745 USD