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Round|Lab Grown|IGI

1.20ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG836614464

Shape and cutting style on the report: Round brilliant

Certificate IGI LG836614464

Diamond specifications and retailer prices

From $256 USD
As of October 29, 2026
Save $1,957 USD (88%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $2,213 USD at Helzberg Diamonds · As of October 31, 2026
View at Helzberg Diamonds

About this 1.2ct lab-grown round diamond

This 1.2ct lab-grown round sits in the classic one-carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG836614464 or 836614464. Listed at 21 retailers as of October 29, 2026, with prices from $256 to $2,213, a $1,957 spread on the same certified stone. Helzberg Diamonds lists it at $2,213. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.20
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836614464
Dimensions6.76 × 6.80 × 4.19 mm
L/W Ratio1.01
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
6.76 mm6.80 mm1.20 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836614464
Side View
Table 58.0%Crown 35.7°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 61.8%

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: $2,213 USD|Low: $256 USD|High: $2,213 USD|Avg: $827 USD
Helzberg Diamonds
Retailer 2
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Retailer 21
October 31, 2026
Retailer 12$256 USD
Retailer 9$287 USD
Retailer 5$297 USD
Retailer 3$318 USD
Retailer 6$318 USD
Retailer 2$480 USD
Retailer 21$507 USD
Retailer 15$530 USD
Retailer 10$531 USD
Retailer 17$546 USD
Retailer 11$568 USD
Retailer 13$605 USD
Retailer 8$702 USD
Retailer 4$976 USD
Retailer 7$1,022 USD
Retailer 14$1,073 USD
Retailer 18$1,125 USD
Retailer 16$1,280 USD
Retailer 20$1,495 USD
Retailer 19$1,770 USD
Helzberg Diamonds$2,213 USD

23 data points across 21 retailers

21 retailers$256 USD to $2,213 USD

A
Cheapest Retailer
-
$256 USD
A
Retailer 2
-
$287 USD
View
Final sale: no returns
A
Retailer 3
-
$297 USD
View
A
Retailer 4
-
$318 USD
View
A
Retailer 5
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$318 USD
View
A
Retailer 6
-
$480 USD
View
Retailer 7
-
$507 USD
£399 GBP
View
Price last confirmed 14 days ago
A
Retailer 8
-
$530 USD
€505 EUR
View
A
Retailer 9
-
$531 USD
View
A
Retailer 10
-
$546 USD
ZAR 8,820 ZAR
View
A
Retailer 11
-
$568 USD
View
A
Retailer 12
-
$605 USD
£476 GBP
View
B+
Retailer 13
-
$702 USD
View
B+
Retailer 14
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$976 USD
View
B+
Retailer 15
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$1,022 USD
View
B+
Retailer 16
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$1,073 USD
View
B+
Retailer 17
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$1,125 USD
View
B+
Retailer 18
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$1,280 USD
£1,008 GBP
View
Retailer 19
-
$1,495 USD
View
Price last confirmed 9 days ago
B
Retailer 20
-
$1,770 USD
View
Most Expensive
B
Helzberg Diamonds
ZXZOJMMHKKMK · Oct 31
$2,213 USD
View
20 more retailers have this diamond
Prices start from $256 USDSave up to $1,957 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
$256 USD