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Round|Lab Grown|IGI

1.05ct E IF Round Lab Grown Diamond

EX • E/IF • IGI LG801631502

Shape and cutting style on the report: Round brilliant

Certificate IGI LG801631502

Diamond specifications and retailer prices

From $220 USD
As of October 29, 2026
Save $1,640 USD (88%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $1,860 USD at Brilliant Earth · As of October 26, 2026
View at Brilliant Earth

About this 1.05ct lab-grown round diamond

This 1.05ct lab-grown round sits in the classic one-carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG801631502 or 801631502. Listed at 23 retailers as of October 26, 2026, with prices from $220 to $1,860, a $1,640 spread on the same certified stone. Brilliant Earth lists it at $1,860. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.05
Carat
E
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG801631502
Dimensions6.48 × 6.46 × 4.06 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.48 mm6.46 mm1.05 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG801631502
Side View
Table 57.0%Crown 35.7°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 62.8%

Caratlytics Score

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

Price History

Last verified: Oct 29
Current: $1,860 USD|Low: $220 USD|High: $2,040 USD|Avg: $651 USD|-8.8%
Brilliant Earth
Retailer 2
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Retailer 5
Retailer 6
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Retailer 11
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Retailer 22
October 29, 2026
Retailer 20$220 USD
Retailer 3$245 USD
Retailer 10$255 USD
Retailer 4$273 USD
Retailer 14$273 USD
Retailer 8$307 USD
Retailer 22$368 USD
Retailer 17$443 USD
Retailer 13$448 USD
Retailer 18$468 USD
Retailer 2$505 USD
Retailer 6$508 USD
Retailer 15$509 USD
Retailer 19$666 USD
Retailer 9$751 USD
Retailer 7$876 USD
Retailer 21$879 USD
Retailer 12$929 USD
Retailer 11$956 USD
Retailer 16$1,099 USD
Retailer 5$1,257 USD
Brilliant Earth$1,860 USD

24 data points across 22 retailers

23 retailers$220 USD to $1,860 USD

A
Cheapest Retailer
-
$220 USD
A
Retailer 2
-
$245 USD
View
Final sale: no returns
A
Retailer 3
-
$255 USD
View
A
Retailer 4
-
$273 USD
View
A
Retailer 5
-
$273 USD
View
A
Retailer 6
-
$307 USD
HK$2,400 HKD
View
A
Retailer 7
-
$368 USD
View
A
Retailer 8
-
$443 USD
£348 GBP
View
A
Retailer 9
-
$448 USD
€427 EUR
View
A
Retailer 10
-
$468 USD
ZAR 7,565 ZAR
View
A
Retailer 11
-
$505 USD
£398 GBP
View
A
Retailer 12
-
$508 USD
View
A
Retailer 13
-
$509 USD
View
B+
Retailer 14
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$666 USD
A$1,025 AUD
View
B+
Retailer 15
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$751 USD
SGD 1,015 SGD
View
B+
Retailer 16
-
$876 USD
View
B+
Retailer 17
-
$879 USD
View
B+
Retailer 18
-
$929 USD
View
B+
Retailer 19
-
$956 USD
View
B+
Retailer 20
-
$1,099 USD
£865 GBP
View
B
Retailer 21
-
$1,257 USD
View
B
Retailer 22
-
$1,407 USD
View
Most Expensive
B
Brilliant Earth
20216100A · Oct 26
$1,860 USD
View
22 more retailers have this diamond
Prices start from $220 USDSave up to $1,640 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
1.05ct Round
$220 USD