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Round|Lab Grown|IGI

1.91ct E IF Round Lab Grown Diamond

EX • E/IF • IGI LG807673380

Certificate IGI LG807673380

Diamond specifications and retailer prices

From $824 USD
A$1,268 AUD
Save $2,756 USD (77%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $3,580 USD at Brilliant Earth
View at Brilliant Earth

About this 1.91ct lab-grown round diamond

This 1.91ct lab-grown round sits in the one-and-a-half to two carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG807673380 or 807673380. Listed at 12 retailers, with prices from $824 to $3,580 at Brilliant Earth, a $2,756 spread on the same certified stone. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.91
Carat
E
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.6°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG807673380
Dimensions7.89 × 7.81 × 4.88 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
7.89 mm7.81 mm1.91 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG807673380
Side View
Table 59.0%Crown 36.6°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 62.1%

Caratlytics Score

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

Price History

Last verified: Sep 30
Current: $3,580 USD|Low: $300 USD|High: $3,650 USD|Avg: $1,245 USD|-1.9%
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
September 21, 2026
Retailer 5$300 USD
Retailer 11$547 USD
Retailer 7$650 USD
Retailer 10$670 USD
Retailer 3$725 USD
Retailer 8$780 USD
Retailer 13$824 USD
Retailer 12$833 USD
Retailer 9$1,289 USD
Retailer 2$1,376 USD
Retailer 14$1,629 USD
Retailer 4$1,831 USD
Retailer 6$2,136 USD
Brilliant Earth$3,580 USD

31 data points across 14 retailers

12 retailers$824 USD to $3,580 USD

A
Retailer 1
-
$650 USD
Price last confirmed 11 days ago
A
Retailer 2
-
$670 USD
View
Price last confirmed 8 days ago
A
Retailer 3
-
$725 USD
View
Price last confirmed 14 days ago
A
Retailer 4
-
$780 USD
£614 GBP
View
Price last confirmed 12 days ago
A
Retailer 5
-
$824 USD
A$1,268 AUD
View
A
Retailer 6
-
$833 USD
ZAR 13,453 ZAR
View
Price last confirmed 13 days ago
A
Retailer 7
-
$1,074 USD
View
Price last confirmed 13 days ago
B+
Retailer 8
-
$1,289 USD
View
Price last confirmed 12 days ago
B+
Retailer 9
-
$1,376 USD
View
Price last confirmed 8 days ago
B+
Retailer 10
-
$1,629 USD
View
Price last confirmed 13 days ago
B+
Retailer 11
-
$1,831 USD
View
Price last confirmed 13 days ago
Most Expensive
B
Brilliant Earth
20478079A · Oct 1
$3,580 USD
View
11 more retailers have this diamond
Prices start from $824 USDSave up to $2,756 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.

A
1.91ct Round
$824 USD