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Oval|Lab Grown|IGI

1.70ct J SI2 Oval Lab Grown Diamond

ID • J/SI2 • IGI LG445037389

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG445037389

Diamond specifications and retailer prices

From $850 USD
As of October 29, 2026
Save $3,737 USD (81%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $4,587 USD at MOH London · As of October 27, 2026
View at MOH London

About this 1.7ct lab-grown oval diamond

This 1.7ct lab-grown oval sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG445037389 or 445037389. Listed at 10 retailers as of October 27, 2026, with prices from $850 to $4,587, a $3,737 spread on the same certified stone. MOH London lists it at $4,587. 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
J
Color
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle34.9°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG445037389
Dimensions9.02 × 6.74 × 4.35 mm
L/W Ratio1.34
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
9.02 mm6.74 mm1.70 ctJ / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG445037389
Side View
Table 59.0%Crown 34.9°Girdle: MED-VTKPavilion 41.3°Culet: NoneDepth 64.5%

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: $4,587 USD|Low: $850 USD|High: $4,642 USD|Avg: $2,448 USD|+0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 25, 2026
Retailer 2$850 USD
Retailer 4$1,548 USD
Retailer 7$1,662 USD
Retailer 6$2,200 USD
Retailer 3$2,533 USD
Retailer 5$2,911 USD
Retailer 8$3,590 USD
MOH London$4,587 USD

12 data points across 8 retailers

10 retailers$850 USD to $4,587 USD

A
Cheapest Retailer
-
$850 USD
B+
Retailer 2
-
$1,383 USD
View
B+
Retailer 3
-
$1,504 USD
View
B+
Retailer 4
-
$1,548 USD
View
Final sale: no returns
Retailer 5
-
$1,604 USD
View
Price last confirmed 17 days ago
B+
Retailer 6
-
$1,604 USD
View
B
Retailer 7
-
$2,533 USD
View
B
Retailer 8
-
$2,911 USD
View
B
Retailer 9
-
$3,006 USD
View
Most Expensive
B
MOH London
LG445037389 · Oct 27
$4,587 USD
£3,612 GBP
View
9 more retailers have this diamond
Prices start from $850 USDSave up to $3,737 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 Oval
$850 USD