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Round|Lab Grown|IGI

1.91ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG607370993

Certificate IGI LG607370993

Diamond specifications and retailer prices

From $650 USD
Save $4,790 USD (88%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $5,440 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 LG607370993 or 607370993. Listed at 25 retailers, with prices from $650 to $5,440 at Brilliant Earth, a $4,790 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG607370993
Dimensions7.95 × 7.90 × 4.90 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
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
7.95 mm7.90 mm1.91 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG607370993
Side View
Table 58.0%Crown 35.3°Girdle: MediumPavilion 40.9°Culet: NoneDepth 61.9%

Caratlytics Score

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

Price History

Last verified: Oct 1
Current: $5,440 USD|Low: $540 USD|High: $5,440 USD|Avg: $1,818 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
Retailer 17
Retailer 18
Retailer 19
October 1, 2026
Retailer 2$650 USD
Retailer 4$757 USD
Retailer 8$774 USD
Retailer 3$1,043 USD
Retailer 7$1,125 USD
Retailer 9$1,208 USD
Retailer 15$1,220 USD
Retailer 12$1,255 USD
Retailer 6$1,350 USD
Retailer 18$1,414 USD
Retailer 10$1,453 USD
Retailer 5$1,691 USD
Retailer 16$1,957 USD
Retailer 14$2,074 USD
Retailer 19$2,646 USD
Retailer 11$2,715 USD
Retailer 17$2,943 USD
Retailer 13$3,346 USD
Brilliant Earth$5,440 USD

39 data points across 19 retailers

25 retailers$650 USD to $5,440 USD

A
Cheapest Retailer
-
$650 USD
A
Retailer 2
-
$736 USD
View
Price last confirmed 9 days ago
A
Retailer 3
-
$757 USD
View
A
Retailer 4
-
$774 USD
View
A
Retailer 5
-
$785 USD
View
A
Retailer 6
-
$909 USD
HK$7,100 HKD
View
A
Retailer 7
-
$1,043 USD
View
A
Retailer 8
-
$1,125 USD
View
A
Retailer 9
-
$1,208 USD
A$1,858 AUD
View
A
Retailer 10
-
$1,222 USD
£963 GBP
View
A
Retailer 11
-
$1,255 USD
€1,195 EUR
View
B+
Retailer 12
-
$1,350 USD
View
B+
Retailer 13
-
$1,414 USD
ZAR 22,839 ZAR
View
B+
Retailer 14
-
$1,453 USD
View
B+
Retailer 15
-
$1,691 USD
View
B+
Retailer 16
-
$1,957 USD
A$3,010 AUD
View
B+
Retailer 17
-
$2,074 USD
A$3,190 AUD
View
B+
Retailer 18
-
$2,207 USD
View
B
Retailer 19
-
$2,646 USD
SGD 3,576 SGD
View
B
Retailer 20
-
$2,707 USD
View
B
Retailer 21
-
$2,715 USD
View
B+
Retailer 22
-
$2,815 USD
View
B
Retailer 23
-
$2,943 USD
View
B
Retailer 24
-
$3,346 USD
£2,635 GBP
View
Most Expensive
B
Brilliant Earth
14484113A · Oct 1
$5,440 USD
View
24 more retailers have this diamond
Prices start from $650 USDSave up to $4,790 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
$650 USD