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Oval|Lab Grown|IGI

1.74ct D SI1 Oval Lab Grown Diamond

VG • D/SI1 • IGI LG510193309

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG510193309

Diamond specifications and retailer prices

From $228 USD
As of October 29, 2026
Save $996 USD (81%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,224 USD at MOH London · As of October 26, 2026
View at MOH London

About this 1.74ct lab-grown oval diamond

This 1.74ct lab-grown oval sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG510193309 or 510193309. Listed at 15 retailers as of October 26, 2026, with prices from $228 to $1,224, a $996 spread on the same certified stone. MOH London lists it at $1,224. 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

1.74
Carat
D
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG510193309
Dimensions9.53 × 6.80 × 4.31 mm
L/W Ratio1.40
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
9.53 mm6.80 mm1.74 ctD / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG510193309
Side View
Table 60.0%Crown 35.3°Girdle: MED-THKPavilion 41°Culet: NoneDepth 63.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $1,224 USD|Low: $196 USD|High: $1,237 USD|Avg: $714 USD|-0.9%
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 29, 2026
Retailer 3$228 USD
Retailer 13$255 USD
Retailer 12$265 USD
Retailer 7$283 USD
Retailer 9$380 USD
Retailer 2$527 USD
Retailer 8$544 USD
Retailer 4$547 USD
Retailer 11$635 USD
Retailer 10$909 USD
Retailer 14$961 USD
Retailer 6$984 USD
Retailer 5$1,140 USD
MOH London$1,224 USD

42 data points across 14 retailers

15 retailers$228 USD to $1,224 USD

A
Cheapest Retailer
-
$228 USD
A
Retailer 2
-
$255 USD
View
Final sale: no returns
A
Retailer 3
-
$265 USD
View
A
Retailer 4
-
$283 USD
View
A
Retailer 5
-
$305 USD
View
B+
Retailer 6
-
$380 USD
View
A
Retailer 7
-
$527 USD
£415 GBP
View
B+
Retailer 8
-
$544 USD
View
B+
Retailer 9
-
$547 USD
€521 EUR
View
B+
Retailer 10
-
$635 USD
View
B
Retailer 11
-
$909 USD
View
B
Retailer 12
-
$961 USD
View
B
Retailer 13
-
$984 USD
View
Retailer 14
-
$1,140 USD
View
Price last confirmed 11 days ago
Most Expensive
B
MOH London
LG510193309 · Oct 26
$1,224 USD
£964 GBP
View
14 more retailers have this diamond
Prices start from $228 USDSave up to $996 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
1.74ct Oval
$228 USD