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Round|Lab Grown|IGI

1.00ct E SI2 Round Lab Grown Diamond

VG • E/SI2 • IGI LG710564677

Shape and cutting style on the report: Round brilliant

Certificate IGI LG710564677

Diamond specifications and retailer prices

From $145 USD
As of October 24, 2026
Save $1,148 USD (89%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,293 USD at MOH London · As of October 26, 2026
View at MOH London

About this 1ct lab-grown round diamond

This 1ct lab-grown round sits in the classic one-carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI LG710564677 or 710564677. Listed at 14 retailers as of October 24, 2026, with prices from $145 to $1,293, a $1,148 spread on the same certified stone. MOH London lists it at $1,293. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.00
Carat
E
Color
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle32.5°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG710564677
Dimensions6.43 × 6.34 × 3.91 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
6.43 mm6.34 mm1.00 ctE / SI2
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG710564677
Side View
Table 57.0%Crown 32.5°Girdle: STK-THKPavilion 40.7°Culet: NoneDepth 61.2%

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 24
Current: $1,293 USD|Low: $125 USD|High: $1,410 USD|Avg: $377 USD|-8.3%
MOH London
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
October 26, 2026
Retailer 6$125 USD
Retailer 3$140 USD
Retailer 13$145 USD
Retailer 9$165 USD
Retailer 15$165 USD
Retailer 8$243 USD
Retailer 10$288 USD
Retailer 5$297 USD
Retailer 11$321 USD
Retailer 2$357 USD
Retailer 7$395 USD
Retailer 14$402 USD
Retailer 12$497 USD
Retailer 4$525 USD
MOH London$1,293 USD

30 data points across 15 retailers

14 retailers$145 USD to $1,293 USD

A
Retailer 1
-
$125 USD
Price last confirmed 7 days ago
A
Retailer 2
-
$145 USD
View
A
Retailer 3
-
$165 USD
View
A
Retailer 4
-
$165 USD
View
A
Retailer 5
-
$243 USD
£192 GBP
View
B+
Retailer 6
-
$288 USD
€274 EUR
View
B+
Retailer 7
-
$297 USD
View
B+
Retailer 8
-
$321 USD
View
B+
Retailer 9
-
$357 USD
£281 GBP
View
B+
Retailer 10
-
$395 USD
View
Price last confirmed 43 days ago
B+
Retailer 11
-
$402 USD
View
B
Retailer 12
-
$497 USD
View
B
Retailer 13
-
$525 USD
View
Most Expensive
B
MOH London
LG710564677 · Oct 26
$1,293 USD
£1,018 GBP
View
13 more retailers have this diamond
Prices start from $145 USDSave up to $1,148 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
1.00ct Round
$145 USD