CaratHunter
Plans
Oval|Lab Grown|IGI

1.70ct J SI1 Oval Lab Grown Diamond

ID • J/SI1 • IGI LG451055761

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG451055761

Diamond specifications and retailer prices

From $1,110 USD
As of October 29, 2026
Save $4,315 USD (80%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $5,425 USD at MOH London · As of October 29, 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG451055761 or 451055761. Listed at 12 retailers as of October 29, 2026, with prices from $1,110 to $5,425, a $4,315 spread on the same certified stone. MOH London lists it at $5,425. 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
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle35.8°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG451055761
Dimensions9.28 × 6.97 × 4.18 mm
L/W Ratio1.33
Girdle conditionFaceted
Culet sizePointed
Cert comments
undefined
Top View
9.28 mm6.97 mm1.70 ctJ / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG451055761
Side View
Table 60.0%Crown 35.8°Girdle: MED-THKPavilion 40.4°Culet: NoneDepth 60.0%

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 29
Current: $5,425 USD|Low: $1,110 USD|High: $5,469 USD|Avg: $2,708 USD|+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
October 30, 2026
Retailer 9$1,110 USD
Retailer 8$1,629 USD
Retailer 13$1,772 USD
Retailer 14$1,824 USD
Retailer 3$1,890 USD
Retailer 10$1,890 USD
Retailer 4$2,060 USD
Retailer 5$2,540 USD
Retailer 2$2,594 USD
Retailer 11$2,971 USD
Retailer 7$3,258 USD
Retailer 12$3,542 USD
Retailer 6$5,410 USD
MOH London$5,425 USD

38 data points across 14 retailers

12 retailers$1,110 USD to $5,425 USD

A
Cheapest Retailer
-
$1,110 USD
B+
Retailer 2
-
$1,629 USD
View
B+
Retailer 3
-
$1,772 USD
View
B+
Retailer 4
-
$1,824 USD
View
Final sale: no returns
Retailer 5
-
$1,890 USD
View
Price last confirmed 17 days ago
B+
Retailer 6
-
$1,890 USD
View
B+
Retailer 7
-
$2,060 USD
View
B
Retailer 8
-
$2,594 USD
£2,042 GBP
View
B
Retailer 9
-
$2,971 USD
View
B
Retailer 10
-
$3,258 USD
View
B
Retailer 11
-
$3,542 USD
View
Most Expensive
B
MOH London
LG451055761 · Oct 29
$5,425 USD
£4,272 GBP
View
11 more retailers have this diamond
Prices start from $1,110 USDSave up to $4,315 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
$1,110 USD