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Round|Lab Grown|IGI

1.70ct H SI2 Round Lab Grown Diamond

EX • H/SI2 • IGI LG407945444

Shape and cutting style on the report: Round brilliant

Certificate IGI LG407945444

Diamond specifications and retailer prices

From $1,777 CAD
$1,270 USD
As of October 29, 2026
Save $5,169 CAD (74%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $6,946 CAD at MOH London · As of October 29, 2026
View at MOH London

About this 1.7ct lab-grown round diamond

This 1.7ct lab-grown round sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG407945444 or 407945444. Listed at 11 retailers as of October 29, 2026, with prices from $1,777 to $6,946, a $5,169 spread on the same certified stone. MOH London lists it at $6,946. 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

1.70
Carat
H
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG407945444
Dimensions7.67 × 7.63 × 4.79 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory grown diamond was created by chemical vapor deposition process (CVD) Type IIa
Top View
7.67 mm7.63 mm1.70 ctH / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG407945444
Side View
Table 54.0%Crown 34.3°Girdle: MediumPavilion 40.9°Culet: NoneDepth 62.6%

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: $6,946 CAD|Low: $1,562 CAD|High: $7,003 CAD|Avg: $3,214 CAD|-0.5%
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 30, 2026
Retailer 5$1,562 CAD
Retailer 9$1,777 CAD
Retailer 8$2,085 CAD
Retailer 12$2,269 CAD
Retailer 14$2,336 CAD
Retailer 10$2,420 CAD
Retailer 15$2,420 CAD
Retailer 6$2,662 CAD
Retailer 2$2,960 CAD
Retailer 4$3,288 CAD
Retailer 11$3,813 CAD
Retailer 3$4,391 CAD
Retailer 13$4,535 CAD
Retailer 7$5,416 CAD
MOH London$6,946 CAD

22 data points across 15 retailers

11 retailers$1,777 CAD to $6,946 CAD

A
Cheapest Retailer
-
$1,777 CAD
$1,270 USD
B+
Retailer 2
-
$2,085 CAD
$1,490 USD
View
B+
Retailer 3
-
$2,269 CAD
$1,621 USD
View
B+
Retailer 4
-
$2,336 CAD
$1,669 USD
View
Final sale: no returns
B+
Retailer 5
-
$2,420 CAD
$1,729 USD
View
Retailer 6
-
$2,420 CAD
$1,729 USD
View
Price last confirmed 17 days ago
B+
Retailer 7
-
$2,960 CAD
£1,665 GBP
View
B
Retailer 8
-
$3,813 CAD
$2,724 USD
View
B
Retailer 9
-
$4,391 CAD
$3,137 USD
View
B
Retailer 10
-
$4,535 CAD
$3,240 USD
View
Most Expensive
B
MOH London
LG407945444 · Oct 29
$6,946 CAD
£3,908 GBP
View
10 more retailers have this diamond
Prices start from $1,777 CADSave up to $5,169 CAD

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
1.70ct Round
$1,777 CAD