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Round|Lab Grown|IGI

0.61ct E SI1 Round Lab Grown Diamond

EX • E/SI1 • IGI LG770686899

Shape and cutting style on the report: Round brilliant

Certificate IGI LG770686899

Diamond specifications and retailer prices

From $148 USD
As of October 28, 2026
Save $202 USD (58%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $805 USD at MOH London · As of October 21, 2026
View at MOH London

About this 0.61ct lab-grown round diamond

This 0.61ct lab-grown round sits in the half to three-quarter carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG770686899 or 770686899. Listed at 6 retailers as of October 28, 2026, with a 136% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

0.61
Carat
E
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG770686899
Dimensions5.50 × 5.48 × 3.30 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
5.50 mm5.48 mm0.61 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG770686899
Side View
Table 61.0%Crown 33.4°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 60.0%

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 28
Current: $805 USD|Low: $148 USD|High: $886 USD|Avg: $347 USD|-8.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 30, 2026
Retailer 6$148 USD
Retailer 4$196 USD
Retailer 5$217 USD
Retailer 7$234 USD
Retailer 8$282 USD
Retailer 3$345 USD
Retailer 2$350 USD
MOH London$805 USD

19 data points across 8 retailers

6 retailers$148 USD to $350 USD

B+
Cheapest Retailer
-
$148 USD
A
Retailer 2
-
$196 USD
£154 GBP
View
A
Retailer 3
-
$217 USD
£171 GBP
View
B+
Retailer 4
-
$345 USD
View
B+
Retailer 5
-
$350 USD
View
Most Expensive
MOH London
LG770686899 · Oct 21
$805 USD
£634 GBP
View
Price last confirmed 9 days ago
5 more retailers have this diamond
Prices start from $148 USDSave up to $202 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
0.61ct Round
$148 USD