Oval|Lab Grown|IGI

1.00ct D SI1 Oval Lab Grown Diamond

VG • D/SI1 • IGI LG844628228

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG844628228

Diamond specifications and retailer prices

From $178 USD
As of October 31, 2026
Save $868 USD (83%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,046 USD 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 very-good cut grade and certified by IGI LG844628228 or 844628228. Listed at 14 retailers as of October 30, 2026, with prices from $178 to $1,046, a $868 spread on the same certified stone. Reve Diamonds lists it at $1,046. 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

1.00
Carat
D
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG844628228
Dimensions7.79 × 5.64 × 3.58 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 mm5.64 mm1.00 ctD / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG844628228
Side View
Table 59.0%Crown 36.1°Girdle: MED-STKPavilion 41°Culet: NoneDepth 63.5%

Caratlytics Score

How it works →
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 31
Current: $328 USD|Low: $178 USD|High: $1,046 USD|Avg: $509 USD
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
Reve Diamonds
October 31, 2026
Retailer 8$178 USD
Retailer 12$190 USD
Retailer 2$229 USD
Retailer 10$318 USD
Retailer 1$328 USD
Retailer 7$333 USD
Retailer 13$348 USD
Retailer 5$515 USD
Retailer 6$613 USD
Retailer 9$648 USD
Retailer 3$669 USD
Retailer 11$860 USD
Retailer 4$870 USD
Reve Diamonds$1,046 USD

14 data points across 14 retailers

14 retailers$178 USD to $1,046 USD

A
Cheapest Retailer
-
$178 USD
A
Retailer 2
-
$190 USD
View
Final sale: no returns
A
Retailer 3
-
$229 USD
£180 GBP
View
B+
Retailer 4
-
$318 USD
View
B+
Retailer 5
-
$328 USD
€312 EUR
View
B+
Retailer 6
-
$333 USD
£262 GBP
View
B+
Retailer 7
-
$348 USD
View
B+
Retailer 8
-
$515 USD
View
B
Retailer 9
-
$613 USD
View
B
Retailer 10
-
$648 USD
View
B
Retailer 11
-
$669 USD
View
B
Retailer 12
-
$860 USD
View
B
Retailer 13
-
$870 USD
£685 GBP
View
Most Expensive
B
Reve Diamonds
578CB980A · Oct 30
$1,046 USD
View
13 more retailers have this diamond
Prices start from $178 USDSave up to $868 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
1.00ct Oval
$178 USD