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Oval|Lab Grown|IGI

1.72ct D SI1 Oval Lab Grown Diamond

ID • D/SI1 • IGI LG735550873

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG735550873

Diamond specifications and retailer prices

From €205 EUR
$229 USD
As of October 29, 2026
Save €1,048 EUR (84%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €1,253 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.72ct lab-grown oval diamond

This 1.72ct 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 LG735550873 or 735550873. Listed at 19 retailers as of October 29, 2026, with prices from €205 to €1,253, a €1,048 spread on the same certified stone. Brilliant Earth lists it at €1,253. 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

1.72
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG735550873
Dimensions10.02 × 6.61 × 4.18 mm
L/W Ratio1.52
Girdle conditionFaceted
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
10.02 mm6.61 mm1.72 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG735550873
Side View
Table 61.0%Crown 35.6°Girdle: MediumPavilion 41.2°Culet: NoneDepth 63.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 29
Current: €1,253 EUR|Low: €197 EUR|High: €1,253 EUR|Avg: €544 EUR
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
November 1, 2026
Retailer 12€205 EUR
Retailer 6€229 EUR
Retailer 4€238 EUR
Retailer 13€254 EUR
Retailer 7€283 EUR
Retailer 9€418 EUR
Retailer 14€431 EUR
Retailer 8€475 EUR
Retailer 5€555 EUR
Retailer 3€817 EUR
Retailer 11€820 EUR
Retailer 2€1,019 EUR
Retailer 10€1,025 EUR
Brilliant Earth€1,253 EUR

42 data points across 14 retailers

19 retailers€205 EUR to €1,253 EUR

A
Cheapest Retailer
-
€205 EUR
$229 USD
A
Retailer 2
-
€229 EUR
$256 USD
View
Final sale: no returns
A
Retailer 3
-
€238 EUR
$266 USD
View
Retailer 4
-
€254 EUR
$284 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
€254 EUR
$284 USD
View
A
Retailer 6
-
€283 EUR
£249 GBP
View
A
Retailer 7
-
€418 EUR
View
B+
Retailer 8
-
€431 EUR
$482 USD
View
A
Retailer 9
-
€475 EUR
£418 GBP
View
B+
Retailer 10
-
€555 EUR
$620 USD
View
B+
Retailer 11
-
€559 EUR
$624 USD
View
B
Retailer 12
-
€812 EUR
SGD 1,226 SGD
View
B
Retailer 13
-
€817 EUR
$913 USD
View
B+
Retailer 14
-
€820 EUR
$916 USD
View
B
Retailer 15
-
€864 EUR
$965 USD
View
B
Retailer 16
-
€1,019 EUR
£896 GBP
View
Retailer 17
-
€1,025 EUR
$1,145 USD
View
Price last confirmed 13 days ago
Retailer 18
-
€1,038 EUR
$1,160 USD
View
Price last confirmed 17 days ago
Most Expensive
B
Brilliant Earth
16385956A · Oct 31
€1,253 EUR
$1,400 USD
View
18 more retailers have this diamond
Prices start from €205 EURSave up to €1,048 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
1.72ct Oval
€205 EUR