CaratHunter
Plans
Oval|Lab Grown|IGI

1.51ct D SI1 Oval Lab Grown Diamond

VG • D/SI1 • IGI LG845615106

Shape and cutting style on the report: Oval modified brilliant

Certificate IGI LG845615106

Diamond specifications and retailer prices

From €234 EUR
$261 USD
As of October 31, 2026
Save €966 EUR (81%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €1,199 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 very-good cut grade and certified by IGI LG845615106 or 845615106. Listed at 12 retailers as of October 31, 2026, with prices from €234 to €1,199, a €966 spread on the same certified stone. Brilliant Earth lists it at €1,199. 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

1.51
Carat
D
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle30.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG845615106
Dimensions8.74 × 5.92 × 3.75 mm
L/W Ratio1.48
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.74 mm5.92 mm1.51 ctD / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG845615106
Side View
Table 65.0%Crown 36.1°Girdle: MED-THKPavilion 30.9°Culet: NoneDepth 63.3%

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 31
Current: €1,199 EUR|Low: €234 EUR|High: €1,199 EUR|Avg: €596 EUR|+2.3%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 9€234 EUR
Retailer 3€266 EUR
Retailer 5€278 EUR
Retailer 7€408 EUR
Retailer 12€425 EUR
Retailer 11€448 EUR
Retailer 6€465 EUR
Retailer 8€802 EUR
Retailer 10€805 EUR
Retailer 2€999 EUR
Retailer 4€1,139 EUR
Brilliant Earth€1,199 EUR

15 data points across 12 retailers

12 retailers€234 EUR to €1,199 EUR

A
Cheapest Retailer
-
€234 EUR
$261 USD
A
Retailer 2
-
€266 EUR
$297 USD
View
Final sale: no returns
A
Retailer 3
-
€278 EUR
£244 GBP
View
B+
Retailer 4
-
€408 EUR
View
B+
Retailer 5
-
€425 EUR
$475 USD
View
B+
Retailer 6
-
€448 EUR
$501 USD
View
B+
Retailer 7
-
€465 EUR
£409 GBP
View
B
Retailer 8
-
€802 EUR
$896 USD
View
B
Retailer 9
-
€805 EUR
$899 USD
View
B
Retailer 10
-
€999 EUR
£879 GBP
View
B
Retailer 11
-
€1,139 EUR
$1,272 USD
View
Most Expensive
B
Brilliant Earth
22346932A · Oct 31
€1,199 EUR
$1,340 USD
View
11 more retailers have this diamond
Prices start from €234 EURSave up to €966 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
€234 EUR