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Oval|Lab Grown|IGI

1.00ct D SI1 Oval Lab Grown Diamond

ID • D/SI1 • IGI LG472171393

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG472171393

Diamond specifications and retailer prices

From $722 USD
As of October 29, 2026
Save $637 USD (47%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $2,356 USD at NZ Jewellers · As of October 28, 2026
View at NZ Jewellers

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 LG472171393 or 472171393. Listed at 12 retailers as of October 28, 2026, with a 88% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle33.8°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG472171393
Dimensions7.63 × 5.70 × 3.54 mm
L/W Ratio1.34
Girdle conditionFaceted
Culet sizePointed
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
7.63 mm5.70 mm1.00 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG472171393
Side View
Table 60.0%Crown 33.8°Girdle: STK-THKPavilion 40.6°Culet: NoneDepth 62.1%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $1,341 USD|Low: $576 USD|High: $3,334 USD|Avg: $1,381 USD|+1.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 30, 2026
Retailer 5$722 USD
Retailer 8$808 USD
Retailer 6$960 USD
Retailer 3$1,015 USD
Retailer 1$1,341 USD
Retailer 7$1,359 USD
Retailer 4$2,064 USD
Retailer 2$3,308 USD

40 data points across 8 retailers

12 retailers$722 USD to $1,359 USD

B+
Cheapest Retailer
-
$722 USD
B
Retailer 2
-
$786 USD
View
B
Retailer 3
-
$808 USD
View
Final sale: no returns
Retailer 4
-
$838 USD
View
Price last confirmed 17 days ago
B
Retailer 5
-
$838 USD
View
B
Retailer 6
-
$960 USD
View
B
Retailer 7
-
$1,015 USD
View
B
Retailer 8
-
$1,341 USD
£1,056 GBP
View
B
Retailer 9
-
$1,359 USD
View
Retailer 10
-
$2,064 USD
View
Price under review
Most Expensive
NZ Jewellers
619068fc-c087-4b12-b8b2-12f2824d849f · Oct 28
$2,356 USD
View
Price under review
10 more retailers have this diamond
Prices start from $722 USDSave up to $637 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.

B+
1.00ct Oval
$722 USD