Radiant|Lab Grown|IGI

1.15ct I VS1 Radiant Lab Grown Diamond

ID • I/VS1 • IGI LG506197270

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG506197270

Diamond specifications and retailer prices

From $690 USD
As of October 30, 2026
Save $1,085 USD (61%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $3,005 USD at NZ Jewellers · As of October 28, 2026
View at NZ Jewellers

About this 1.15ct lab-grown radiant diamond

This 1.15ct lab-grown radiant sits in the classic one-carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG506197270 or 506197270. Listed at 13 retailers as of October 30, 2026, with a 157% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.15
Carat
I
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle30.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG506197270
Dimensions7.39 × 5.10 × 3.38 mm
L/W Ratio1.45
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.39 mm5.10 mm1.15 ctI / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG506197270
Side View
Table 65.5%Crown 36.2°Girdle: MediumPavilion 30.1°Culet: NoneDepth 66.3%

Caratlytics Score

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

Price History

Last verified: Oct 30
Current: $3,005 USD|Low: $690 USD|High: $4,639 USD|Avg: $2,498 USD
NZ Jewellers
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
Retailer 15
October 30, 2026
Retailer 2$690 USD
Retailer 10$1,382 USD
Retailer 13$1,503 USD
Retailer 14$1,547 USD
Retailer 11$1,603 USD
Retailer 4$1,775 USD
Retailer 7$1,827 USD
Retailer 5$2,177 USD
Retailer 12$2,531 USD
Retailer 3$2,909 USD
Retailer 8$2,947 USD
NZ Jewellers$3,005 USD
Retailer 15$3,871 USD
Retailer 9$4,583 USD
Retailer 6$4,590 USD

24 data points across 15 retailers

13 retailers$690 USD to $1,775 USD

B+
Cheapest Retailer
-
$690 USD
B
Retailer 2
-
$1,382 USD
View
B
Retailer 3
-
$1,503 USD
View
B
Retailer 4
-
$1,547 USD
View
Final sale: no returns
Retailer 5
-
$1,603 USD
View
Price last confirmed 18 days ago
B
Retailer 6
-
$1,603 USD
View
B
Retailer 7
-
$1,775 USD
View
Retailer 8
-
$2,531 USD
View
Price under review
Retailer 9
-
$2,909 USD
View
Price under review
Retailer 10
-
$2,947 USD
ZAR 47,603 ZAR
View
Price under review
Most Expensive
NZ Jewellers
2b07247a-5973-4ff6-b9a2-22299fb71004 · Oct 28
$3,005 USD
View
Price under review
10 more retailers have this diamond
Prices start from $690 USDSave up to $1,085 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+
1.15ct Radiant
$690 USD