CaratHunter
Plans
Oval|Lab Grown|IGI

1.73ct E FL Oval Lab Grown Diamond

ID • E/FL • IGI LG816610605

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG816610605

Diamond specifications and retailer prices

From $413 USD
As of October 30, 2026
Save $3,972 USD (91%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $4,385 USD at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 1.73ct lab-grown oval diamond

This 1.73ct lab-grown oval sits in the one-and-a-half to two carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG816610605 or 816610605. Listed at 23 retailers as of October 28, 2026, with prices from $413 to $4,385, a $3,972 spread on the same certified stone. Rare Carat lists it at $4,385. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.73
Carat
E
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816610605
Dimensions10.01 × 6.70 × 4.12 mm
L/W Ratio1.49
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
10.01 mm6.70 mm1.73 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816610605
Side View
Table 60.0%Crown 34°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 61.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $4,385 USD|Low: $413 USD|High: $5,350 USD|Avg: $1,643 USD|-1.9%
Rare Carat
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
Retailer 16
November 1, 2026
Retailer 6$413 USD
Retailer 9$471 USD
Retailer 13$610 USD
Retailer 16$645 USD
Retailer 12$735 USD
Retailer 15$787 USD
Retailer 10$827 USD
Retailer 7$1,047 USD
Retailer 14$1,133 USD
Retailer 4$1,321 USD
Retailer 8$1,512 USD
Retailer 11$1,596 USD
Retailer 3$1,734 USD
Retailer 2$1,789 USD
Retailer 5$3,640 USD
Rare Carat$4,385 USD

32 data points across 16 retailers

23 retailers$413 USD to $4,385 USD

A
Cheapest Retailer
-
$413 USD
Final sale: no returns
Retailer 2
-
$442 USD
View
Price last confirmed 38 days ago
Retailer 3
-
$442 USD
View
Price last confirmed 21 days ago
A
Retailer 4
-
$471 USD
£371 GBP
View
Retailer 5
-
$495 USD
View
Price last confirmed 36 days ago
Retailer 6
-
$541 USD
View
Price last confirmed 37 days ago
Retailer 7
-
$548 USD
View
Price last confirmed 19 days ago
Retailer 8
-
$548 USD
View
Price last confirmed 29 days ago
A
Retailer 9
-
$610 USD
View
A
Retailer 10
-
$645 USD
View
A
Retailer 11
-
$735 USD
€700 EUR
View
A
Retailer 12
-
$787 USD
ZAR 12,712 ZAR
View
A
Retailer 13
-
$827 USD
£651 GBP
View
A
Retailer 14
-
$1,047 USD
View
A
Retailer 15
-
$1,133 USD
View
B+
Retailer 16
-
$1,321 USD
View
B+
Retailer 17
-
$1,512 USD
View
B+
Retailer 18
-
$1,596 USD
View
B+
Retailer 19
-
$1,734 USD
View
Retailer 20
-
$1,760 USD
View
Price last confirmed 24 days ago
B+
Retailer 21
-
$1,789 USD
£1,409 GBP
View
B
Retailer 22
-
$3,640 USD
View
Most Expensive
B
Rare Carat
C466-3A · Oct 28
$4,385 USD
View
22 more retailers have this diamond
Prices start from $413 USDSave up to $3,972 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
1.73ct Oval
$413 USD