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Round|Lab Grown|IGI

1.20ct F IF Round Lab Grown Diamond

ID • F/IF • IGI LG573307262

Shape and cutting style on the report: Round brilliant

Certificate IGI LG573307262

Diamond specifications and retailer prices

From $273 USD
As of November 1, 2026
Save $1,257 USD (82%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $1,530 USD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.2ct lab-grown round diamond

This 1.2ct lab-grown round sits in the classic one-carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG573307262 or 573307262. Listed at 20 retailers as of October 31, 2026, with prices from $273 to $1,530, a $1,257 spread on the same certified stone. Brilliant Earth lists it at $1,530. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.20
Carat
F
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG573307262
Dimensions6.86 × 6.84 × 4.19 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
6.86 mm6.84 mm1.20 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG573307262
Side View
Table 57.5%Crown 34°Girdle: THN-MEDPavilion 40.8°Culet: NoneDepth 61.1%

Caratlytics Score

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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: Nov 1
Current: $1,530 USD|Low: $273 USD|High: $1,790 USD|Avg: $642 USD|-14.5%
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
November 1, 2026
Retailer 6$273 USD
Retailer 7$283 USD
Retailer 8$309 USD
Retailer 15$408 USD
Retailer 9$488 USD
Retailer 16$519 USD
Retailer 14$540 USD
Retailer 11$554 USD
Retailer 10$572 USD
Retailer 4$631 USD
Retailer 3$737 USD
Retailer 12$975 USD
Retailer 5$1,023 USD
Retailer 13$1,054 USD
Retailer 2$1,210 USD
Brilliant Earth$1,530 USD

44 data points across 16 retailers

20 retailers$273 USD to $1,530 USD

Retailer 1
-
$239 USD
Price last confirmed 61 days ago
A
Retailer 2
-
$273 USD
View
Final sale: no returns
A
Retailer 3
-
$283 USD
View
Retailer 4
-
$309 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
$408 USD
View
A
Retailer 6
-
$488 USD
£384 GBP
View
A
Retailer 7
-
$519 USD
ZAR 8,386 ZAR
View
B+
Retailer 8
-
$540 USD
View
B+
Retailer 9
-
$554 USD
€528 EUR
View
B+
Retailer 10
-
$572 USD
£450 GBP
View
B+
Retailer 11
-
$631 USD
View
B+
Retailer 12
-
$737 USD
A$1,134 AUD
View
B+
Retailer 13
-
$780 USD
View
Retailer 14
-
$922 USD
A$1,419 AUD
View
Price last confirmed 142 days ago
B
Retailer 15
-
$975 USD
View
B
Retailer 16
-
$1,023 USD
View
B
Retailer 17
-
$1,054 USD
View
B
Retailer 18
-
$1,210 USD
£953 GBP
View
Retailer 19
-
$1,227 USD
View
Price last confirmed 77 days ago
Most Expensive
B
Brilliant Earth
14223794A · Oct 31
$1,530 USD
View
19 more retailers have this diamond
Prices start from $273 USDSave up to $1,257 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
1.20ct Round
$273 USD