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Oval|Lab Grown|IGI

1.69ct E SI2 Oval Lab Grown Diamond

E/SI2 • IGI LG691580377

Certificate IGI LG691580377

Diamond specifications and retailer prices

From $2,137 NZD
$1,200 USD
As of October 28, 2026
Save $374 NZD (15%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $2,511 NZD at Zales · As of October 28, 2026
View at Zales

About this 1.69ct lab-grown oval diamond

This 1.69ct lab-grown oval sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI2 clarity (slightly-included) and certified by IGI LG691580377 or 691580377. Listed at 3 retailers as of October 28, 2026, with prices from $2,137 to $2,511, a $374 spread on the same certified stone. Zales lists it at $2,511. 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

1.69
Carat
E
Colour
SI2
Clarity
-
Cut

Specifications

Cut
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG691580377
Dimensions9.58 × 6.76 mm
L/W Ratio1.42
Top View
9.58 mm6.76 mm1.69 ctE / SI2
OriginLab Grown
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG691580377
Side View
Table 61.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 61.5%

Caratlytics Score

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B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: $2,137 NZD|Low: $2,137 NZD|High: $3,775 NZD|Avg: $2,967 NZD|-43.4%
Retailer 1
Retailer 2
Zales
September 28, 2026
Retailer 1$2,137 NZD
Retailer 2$2,511 NZD
Zales$2,511 NZD

7 data points across 3 retailers

3 retailers$2,137 NZD to $2,511 NZD

B
Cheapest Retailer
-
$2,137 NZD
$1,200 USD
C
Retailer 2
-
$2,511 NZD
$1,410 USD
View
Most Expensive
C
Zales
524041540 · Oct 28
$2,511 NZD
$1,410 USD
View
2 more retailers have this diamond
Prices start from $2,137 NZDSave up to $374 NZD

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
1.69ct Oval
$2,137 NZD