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Oval|Lab Grown|IGI

1.70ct I SI1 Oval Lab Grown Diamond

ID • I/SI1 • IGI LG442069378

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG442069378

Diamond specifications and retailer prices

From $940 USD
As of October 29, 2026
Save $3,939 USD (81%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $4,879 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG442069378 or 442069378. Listed at 11 retailers as of October 29, 2026, with prices from $940 to $4,879, a $3,939 spread on the same certified stone. MOH London lists it at $4,879. 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
I
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG442069378
Dimensions9.25 × 6.85 × 4.22 mm
L/W Ratio1.35
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
9.25 mm6.85 mm1.70 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG442069378
Side View
Table 57.5%Crown 33.3°Girdle: STK-VTKPavilion 40.9°Culet: NoneDepth 61.6%

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: $4,879 USD|Low: $940 USD|High: $4,917 USD|Avg: $2,745 USD|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 29, 2026
Retailer 2$940 USD
Retailer 4$1,639 USD
Retailer 5$1,870 USD
Retailer 7$2,313 USD
Retailer 3$2,679 USD
Retailer 6$3,084 USD
Retailer 8$4,865 USD
MOH London$4,879 USD

12 data points across 8 retailers

11 retailers$940 USD to $4,879 USD

A
Cheapest Retailer
-
$940 USD
B+
Retailer 2
-
$1,465 USD
View
B+
Retailer 3
-
$1,594 USD
View
B+
Retailer 4
-
$1,639 USD
View
Final sale: no returns
Retailer 5
-
$1,699 USD
View
Price last confirmed 18 days ago
B+
Retailer 6
-
$1,699 USD
View
B+
Retailer 7
-
$1,870 USD
View
B
Retailer 8
-
$2,679 USD
View
B
Retailer 9
-
$3,084 USD
View
B
Retailer 10
-
$3,185 USD
View
Most Expensive
B
MOH London
LG442069378 · Oct 29
$4,879 USD
£3,842 GBP
View
10 more retailers have this diamond
Prices start from $940 USDSave up to $3,939 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
$940 USD