CaratHunter
Plans
Oval|Lab Grown|IGI

1.51ct D SI1 Oval Lab Grown Diamond

ID • D/SI1 • IGI LG732547933

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG732547933

Diamond specifications and retailer prices

From €179 EUR
$200 USD
As of October 29, 2026
Save €1,307 EUR (88%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €1,486 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.51ct lab-grown oval diamond

This 1.51ct 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 top-tier cut grade and certified by IGI LG732547933 or 732547933. Listed at 13 retailers as of October 29, 2026, with prices from €179 to €1,486, a €1,307 spread on the same certified stone. Brilliant Earth lists it at €1,486. 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

1.51
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG732547933
Dimensions8.91 × 6.49 × 4.12 mm
L/W Ratio1.37
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.91 mm6.49 mm1.51 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG732547933
Side View
Table 56.0%Crown 34.6°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 63.5%

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: €1,486 EUR|Low: €172 EUR|High: €1,540 EUR|Avg: €520 EUR|-3.5%
Brilliant Earth
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
Retailer 15
October 31, 2026
Retailer 13€179 EUR
Retailer 6€208 EUR
Retailer 5€222 EUR
Retailer 14€222 EUR
Retailer 8€248 EUR
Retailer 15€386 EUR
Retailer 11€395 EUR
Retailer 2€407 EUR
Retailer 3€441 EUR
Retailer 7€452 EUR
Retailer 4€713 EUR
Retailer 12€716 EUR
Retailer 10€828 EUR
Retailer 9€1,044 EUR
Brilliant Earth€1,486 EUR

43 data points across 15 retailers

13 retailers€179 EUR to €1,486 EUR

A
Cheapest Retailer
-
€179 EUR
$200 USD
A
Retailer 2
-
€208 EUR
$232 USD
View
A
Retailer 3
-
€222 EUR
$248 USD
View
A
Retailer 4
-
€222 EUR
$248 USD
View
A
Retailer 5
-
€248 EUR
£218 GBP
View
B+
Retailer 6
-
€386 EUR
$431 USD
View
A
Retailer 7
-
€407 EUR
£358 GBP
View
A
Retailer 8
-
€441 EUR
$493 USD
View
A
Retailer 9
-
€452 EUR
$505 USD
View
B+
Retailer 10
-
€713 EUR
$797 USD
View
B+
Retailer 11
-
€716 EUR
$800 USD
View
B
Retailer 12
-
€1,044 EUR
£918 GBP
View
Most Expensive
B
Brilliant Earth
15705245A · Oct 31
€1,486 EUR
$1,660 USD
View
12 more retailers have this diamond
Prices start from €179 EURSave up to €1,307 EUR

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
1.51ct Oval
€179 EUR