Round|Lab Grown|IGI

1.22ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG845656511

Shape and cutting style on the report: Round brilliant

Certificate IGI LG845656511

Diamond specifications and retailer prices

From $284 USD
As of October 28, 2026
Save $1,446 USD (84%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,730 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.22ct lab-grown round diamond

This 1.22ct lab-grown round sits in the classic one-carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG845656511 or 845656511. Listed at 14 retailers as of October 28, 2026, with prices from $284 to $1,730, a $1,446 spread on the same certified stone. Brilliant Earth lists it at $1,730. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.22
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG845656511
Dimensions6.88 × 6.91 × 4.22 mm
L/W Ratio1.00
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
6.88 mm6.91 mm1.22 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG845656511
Side View
Table 59.0%Crown 34.5°Girdle: MediumPavilion 41°Culet: NoneDepth 61.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 28
Current: $599 USD|Low: $284 USD|High: $1,350 USD|Avg: $642 USD|+3.9%
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
October 29, 2026
Retailer 10$284 USD
Retailer 9$346 USD
Retailer 11$425 USD
Retailer 4$475 USD
Retailer 8$504 USD
Retailer 6$516 USD
Retailer 13$542 USD
Retailer 1$599 USD
Retailer 12$768 USD
Retailer 5$980 USD
Retailer 3$1,018 USD
Retailer 7$1,271 USD
Retailer 2$1,350 USD

7 data points across 13 retailers

14 retailers$284 USD to $1,730 USD

A
Cheapest Retailer
-
$284 USD
Final sale: no returns
A
Retailer 2
-
$346 USD
HK$2,700 HKD
View
A
Retailer 3
-
$425 USD
View
A
Retailer 4
-
$475 USD
View
A
Retailer 5
-
$504 USD
£396 GBP
View
A
Retailer 6
-
$516 USD
€491 EUR
View
A
Retailer 7
-
$542 USD
ZAR 8,761 ZAR
View
A
Retailer 8
-
$599 USD
£471 GBP
View
B+
Retailer 9
-
$768 USD
A$1,182 AUD
View
B+
Retailer 10
-
$980 USD
View
B+
Retailer 11
-
$1,018 USD
SGD 1,375 SGD
View
B
Retailer 12
-
$1,271 USD
£1,001 GBP
View
B
Retailer 13
-
$1,350 USD
View
Most Expensive
B
Brilliant Earth
22235677A · Oct 29
$1,730 USD
View
13 more retailers have this diamond
Prices start from $284 USDSave up to $1,446 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
1.22ct Round
$284 USD