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Round|Lab Grown|IGI

1.22ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG841678727

Shape and cutting style on the report: Round brilliant

Certificate IGI LG841678727

Diamond specifications and retailer prices

From $252 USD
As of October 29, 2026
Save $1,478 USD (85%) vs most expensive(unlock to see where)
16 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 LG841678727 or 841678727. Listed at 16 retailers as of October 29, 2026, with prices from $252 to $1,730, a $1,478 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 angle33.9°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG841678727
Dimensions6.86 × 6.88 × 4.19 mm
L/W Ratio1.00
Girdle conditionFaceted
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
6.86 mm6.88 mm1.22 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG841678727
Side View
Table 57.0%Crown 33.9°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $1,730 USD|Low: $252 USD|High: $1,730 USD|Avg: $784 USD
Brilliant Earth
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
October 29, 2026
Retailer 16$252 USD
Retailer 14$292 USD
Retailer 15$474 USD
Retailer 7$475 USD
Retailer 11$498 USD
Retailer 3$522 USD
Retailer 9$547 USD
Retailer 5$742 USD
Retailer 13$760 USD
Retailer 4$959 USD
Retailer 6$1,004 USD
Retailer 2$1,115 USD
Retailer 8$1,170 USD
Retailer 10$1,257 USD
Retailer 12$1,340 USD
Brilliant Earth$1,730 USD

9 data points across 16 retailers

16 retailers$252 USD to $1,730 USD

A
Cheapest Retailer
-
$252 USD
A
Retailer 2
-
$292 USD
View
A
Retailer 3
-
$474 USD
View
A
Retailer 4
-
$475 USD
View
A
Retailer 5
-
$498 USD
£392 GBP
View
A
Retailer 6
-
$522 USD
View
A
Retailer 7
-
$547 USD
€521 EUR
View
B+
Retailer 8
-
$742 USD
View
B+
Retailer 9
-
$760 USD
A$1,169 AUD
View
B+
Retailer 10
-
$959 USD
View
B+
Retailer 11
-
$1,004 USD
View
B
Retailer 12
-
$1,115 USD
A$1,716 AUD
View
B
Retailer 13
-
$1,170 USD
View
B
Retailer 14
-
$1,257 USD
£990 GBP
View
B
Retailer 15
-
$1,340 USD
View
Most Expensive
B
Brilliant Earth
22208587A · Oct 29
$1,730 USD
View
15 more retailers have this diamond
Prices start from $252 USDSave up to $1,478 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
$252 USD