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Round|Lab Grown|IGI

1.70ct I SI2 Round Lab Grown Diamond

VG • I/SI2 • IGI LG440013946

Shape and cutting style on the report: Round brilliant

Certificate IGI LG440013946

Diamond specifications and retailer prices

From $960 USD
As of October 30, 2026
Save $3,662 USD (79%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $4,622 USD 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 I colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI LG440013946 or 440013946. Listed at 10 retailers as of October 29, 2026, with prices from $960 to $4,622, a $3,662 spread on the same certified stone. MOH London lists it at $4,622. 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

1.70
Carat
I
Color
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.7°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG440013946
Dimensions7.54 × 7.59 × 4.77 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
7.54 mm7.59 mm1.70 ctI / SI2
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG440013946
Side View
Table 54.5%Crown 36.7°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 63.0%

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 30
Current: $4,622 USD|Low: $960 USD|High: $4,652 USD|Avg: $2,502 USD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 30, 2026
Retailer 2$960 USD
Retailer 4$1,510 USD
Retailer 5$1,554 USD
Retailer 7$2,207 USD
Retailer 3$2,542 USD
Retailer 6$2,921 USD
Retailer 8$3,604 USD
MOH London$4,622 USD

12 data points across 8 retailers

10 retailers$960 USD to $4,622 USD

A
Cheapest Retailer
-
$960 USD
B+
Retailer 2
-
$1,388 USD
View
B+
Retailer 3
-
$1,510 USD
View
B+
Retailer 4
-
$1,554 USD
View
Final sale: no returns
B+
Retailer 5
-
$1,610 USD
View
Retailer 6
-
$1,610 USD
View
Price last confirmed 17 days ago
B
Retailer 7
-
$2,542 USD
View
B
Retailer 8
-
$2,921 USD
View
B
Retailer 9
-
$3,017 USD
View
Most Expensive
B
MOH London
LG440013946 · Oct 29
$4,622 USD
£3,639 GBP
View
9 more retailers have this diamond
Prices start from $960 USDSave up to $3,662 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
1.70ct Round
$960 USD