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Oval|Lab Grown|IGI

1.00ct D SI1 Oval Lab Grown Diamond

ID • D/SI1 • IGI LG823616787

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG823616787

Diamond specifications and retailer prices

From €138 EUR
$154 USD
As of October 29, 2026
Save €799 EUR (85%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €937 EUR at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

About this 1ct lab-grown oval diamond

This 1ct lab-grown oval sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG823616787 or 823616787. Listed at 16 retailers as of October 29, 2026, with prices from €138 to €937, a €799 spread on the same certified stone. Reve Diamonds lists it at €937. 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

1.00
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG823616787
Dimensions7.79 × 5.66 × 3.51 mm
L/W Ratio1.38
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
7.79 mm5.66 mm1.00 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG823616787
Side View
Table 61.0%Crown 34.2°Girdle: STK-THKPavilion 40.2°Culet: NoneDepth 62.0%

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: €549 EUR|Low: €106 EUR|High: €937 EUR|Avg: €350 EUR|+3.0%
Retailer 1
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
Reve Diamonds
October 31, 2026
Retailer 14€138 EUR
Retailer 8€159 EUR
Retailer 6€166 EUR
Retailer 12€170 EUR
Retailer 11€285 EUR
Retailer 3€287 EUR
Retailer 7€298 EUR
Retailer 13€311 EUR
Retailer 9€412 EUR
Retailer 10€448 EUR
Retailer 5€528 EUR
Retailer 1€549 EUR
Retailer 2€598 EUR
Retailer 4€775 EUR
Reve Diamonds€937 EUR

44 data points across 15 retailers

16 retailers€138 EUR to €937 EUR

A
Cheapest Retailer
-
€138 EUR
$154 USD
A
Retailer 2
-
€159 EUR
$178 USD
View
A
Retailer 3
-
€166 EUR
$185 USD
View
A
Retailer 4
-
€166 EUR
$185 USD
View
A
Retailer 5
-
€170 EUR
$190 USD
View
Final sale: no returns
A
Retailer 6
-
€285 EUR
$318 USD
View
A
Retailer 7
-
€287 EUR
View
A
Retailer 8
-
€298 EUR
£262 GBP
View
A
Retailer 9
-
€311 EUR
$348 USD
View
B+
Retailer 10
-
€412 EUR
A$708 AUD
View
B+
Retailer 11
-
€448 EUR
$500 USD
View
B+
Retailer 12
-
€528 EUR
$590 USD
View
B+
Retailer 13
-
€549 EUR
$613 USD
View
B
Retailer 14
-
€598 EUR
$669 USD
View
B
Retailer 15
-
€775 EUR
£682 GBP
View
Most Expensive
B
Reve Diamonds
E3F67A94C · Oct 30
€937 EUR
$1,046 USD
View
15 more retailers have this diamond
Prices start from €138 EURSave up to €799 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
1.00ct Oval
€138 EUR